We are less than a year away from New Hampshire's first-in-the-nation presidential primary, an election happening amid fundamental questions for both major political parties."A Pivotal Primary" is an in-depth look at how the presidential landscape is shaping up right now and what the coming months could bring.Watch the full special in the video player above or broken out into each part below:Part 1Part 2Part 3Part 4With about 10 months until New Hampshire's presidential primary, Granite Staters are holding strong to the first-in-the-nation tradition. Candidates who have announced their runs are crisscrossing the state -- shaking hands, answering questions and holding events to tell voters where they stand on the issues that matter to Granite Staters and Americans.But as they take part in what's the norm for New Hampshire every four years, this time around there are some differences. A one-time president, who twice won the New Hampshire primary is back and is still popular, but he was recently indicted and is facing some members of his own administration.The Granite State's governor might make a run himself and change the way others take him on -- on his home turf.And the unknowns on the other side of the aisle also remain. Will President Joe Biden run again, and what will his campaign look like?New Hampshire Democrats have fought their own party, trying to keep the primary as we know it -- intact. The Democratic National Committee voted recently to change the rules -- and the calendar -- and even threatened candidates who visit New Hampshire to campaign.New Hampshire's state law and top election official later made it official -- the Granite State will still go first, no matter what, and voters are still promising to take part.Read on below to learn more about what lies ahead.Trump, facing felony charges, hopes to begin return to White House in New HampshireThe 2024 primary cycle includes something voters haven't seen before: a former president being arraigned on felony charges.Other Republican presidential candidates and potential candidates have rallied to former President Donald Trump's defense after he was arraigned on 34 felony charges in a Manhattan courtroom.Despite the criminal charges, Trump remains a force in the Republican party, with strong support in the polls.See the full story here.Trump most prominent candidate in Republican field, but others lining upTrump has strong support in the polls for the Republican nomination for president in 2024, but several other candidates are also in the running.Some competition against the former commander-in-chief is coming from members of his own administration. Three former Trump administration officials might get into the race.See the full story here.Why national Democrats voted to shake up presidential primary calendarMembers of the Democratic National Committee’s Rules and Bylaws Committee voted in December to strip New Hampshire of its first-in-the-nation status.During the meeting, committee members took issue with the Granite State, implying New Hampshire lacks sufficient racial diversity, is too wealthy, and is not loyal enough to the National Democratic Party to keep the party’s first presidential primary.See the full story here.Examining Biden's complicated relationship with New Hampshire ahead of anticipated run for re-electionThe National Democratic Party has changed its approach this cycle, even though Biden, the party's leader, still has not officially announced if he is running for re-election.With no official word on when an announcement could come, the field has frozen, for the most part. Assuming Biden does run, though, how will he treat New Hampshire, a state he has a complicated relationship with, given the recent Democratic National Committee actions?Biden didn't campaign in the Granite State during the general election in 2020, but he still won the state by a solid margin. See the full story here.If Biden runs for re-election, he'll have challengers from the leftSome Democratic candidates aren't waiting for an answer from President Joe Biden on whether he’s officially running for re-election.Marianne Williamson recently launched her second White House bid and Robert F. Kennedy Jr. filed official papers to run for president on Wednesday.See the full story here.Political uncertainty for Democrats, Republicans as 2024 New Hampshire primary looms One veteran of New Hampshire primaries is ABC News Political Director Rick Klein, who spoke with WMUR Political Director Adam Sexton to break down what stands out in this cycle.For the Democrats, Klein said that the circumstances are much different compared to the last primary.See the full story here.New Hampshire primary has been evolving in recent yearsThe decision of the Democratic National Committee to remove the New Hampshire primary from its first-in-the-nation spot could be seen as the latest in an ongoing series of changes.Wayne Lesperance, president of New England College, said DNC's decision is significant, but the feel of the primary has been changing over the past several years.See the full story here.New Hampshire voters split on issues, candidates, share what they hope for in 2024What the primary might look like, whoever will be in the field, and however the political parties decide to handle 2024 will unfold over the next few months, but one thing will remain most important — the voters.How they see issues and candidates — and the primary — is still very much a work in progress.When it comes to politics, some Granite Staters said the landscape right now is just too divisive.See the full story here.Sununu in national spotlight as he considers possible presidential runFor the past few months, New Hampshire Gov. Chris Sununu has been a regular presence on national political shows as he weighs a possible run for president.He has even played the role of pundit himself, saying that if the Republican primary were held today, Florida Gov. Ron DeSantis would win.It's an odd take for anyone who wants to be viewed as a serious White House contender, but in this case, as it is in many others, Sununu is doing his own thing.See the full story here.New Hampshire Democrats, Republicans working together to keep New Hampshire’s presidential primary firstKeeping New Hampshire first is one of the only things that both state parties can agree on, and they're not just focused on 2024, but well beyond.New Hampshire Democratic Party Chair Ray Buckley said he worked behind the scenes with the DNC for months to help keep New Hampshire’s primary first.Republicans in New Hampshire find themselves working with state Democrats to ensure the Granite State keeps the first-in-the-nation primary.See the full story here.New Hampshire primary analysis: 2024 race features unique aspects with both major partiesThere is so much at play in any New Hampshire primary, but in this cycle, there are some never-before-seen variables.Among them is Sununu's potential candidacy. There is also a former president running to get his job back, something that hasn't happened in a very long time.And there are the Democratic National Committee's efforts to relegate and potentially end the first-in-the-nation primary as we know it.If this was weather forecasting, it's like two or three entirely new mountain ranges suddenly popped up in New Hampshire, scrambling everything we know about how things usually work.See the full story here.New Hampshire's first-in-nation primary has kept voters engaged, turnout highIf history is any indication, turnout in the 2024 New Hampshire primary will be stellar, and one political expert said that's one reason the state has been so instrumental to the presidential nominating process for decades.Dartmouth professor emerita Linda Fowler said Granite Staters have become accustomed to meeting the presidential candidates face to face.She said her research showed that Granite Staters not only have access to the candidates but also take advantage of that access.See the full story here.