Former President Donald Trump may be able to clinch the Republican presidential nomination on Tuesday, after results are in from the four GOP voting contests taking place in Georgia, Washington, Mississippi and Hawaii. 

Georgia, Mississippi and Washington are all holding primaries, while Hawaii is holding caucuses.

Trump's remaining major rival, former United Nations Ambassador Gov. Nikki Haley, dropped her White House bid after the Super Tuesday primaries. 

Trump dominated the Republican field without ever debating any of his primary opponents, and none of them ever surpassed him in early-state polling.

The former president is also entering the general election phase of the presidential campaign facing 91 felony charges in four criminal cases. His first criminal trial is slated to begin on March 25 in New York, where he faces 34 charges connected to alleged "hush money" payments to adult film star Stormy Daniels during the 2016 presidential election. Trump also faces state criminal charges in Georgia for alleged interference in the 2020 presidential election, as well as federal charges in Washington, D.C. He is also facing federal charges in Florida over his handling of classified documents after his presidency.