Also weighing against them - the rebels' lack of an alternative candidate, vigorous lobbying by an alliance between the Trump campaign and the RNC and a growing sense it was time to unite against presumptive Democratic pick Hillary Clinton. "Chip in now to make sure he never steps foot in the Oval Office", she said in a fundraising tweet. Marco Rubio and 9 for Ohio Gov. John Kasich, despite their delegates being bound to be cast to Trump. The delegation decided against the disruption but was still booed by other delegations.
Still, Trump far outdistanced his primary rivals, and his vice presidential pick, Indiana Gov. Mike Pence, was also formally nominated.
At least Melania Trump is in good company: Vice President Joe Biden was forced to abandon his 1988 presidential campaign after being caught plagiarizing a British politician.
Donald TrumpDonald TrumpGOP works to unify around Trump Trump speechwriter shoots down new plagiarism claim Senator on Trump endorsement: "Don't worry about the words" MORE's children are going to bat for their dad, taking the stage at the Republican National Convention on Tuesday to make a public push for the official GOP White House nominee. "It's a reminder of what hard work does, and when the American people are really aggravated at Washington, we can change it". Two passages from Mrs. Trump's address - each 30 words or longer - matched a 2008 Democratic convention address by Michelle Obama almost word-for-word.
As the last vestiges of Republican resistance were quashed, there were fresh signs that the party establishment had thrown its lot in with Trump in a bid to beat Clinton.
Melania Trump was praised for making progress in highlighting her husband's personal qualities during her Monday night address.
Trump initially refused to rule out an independent run should he fail to win the Republican nomination. The campaign said the speech was written by a "team of writers" who included fragments that reflected Mrs. Trump's thinking.
"It would have been wise for the Trump people to allow the vote because I believe they would have prevailed", said King.
Opponents branded him a bigot with his calls to temporarily ban the entry of Muslims and to build a border wall with Mexico to keep out illegal immigrants.
Despite his lack of political experience, Trump touts his business record as a real estate developer and - running counter to Republican free trade orthodoxy - has proposed some protectionist trade policies aimed at preventing job outsourcing.
While party leaders called for unity, numerous convention speakers focused heavily once again on Clinton.
Party officials are hoping to use the convention to smooth out some of Trump's rough edges and present him as a job creator and a strong hand to combat security threats at home and overseas. If he doesn't explicitly back Trump at the billionaire's own nominating convention, it would be a major blow to GOP unity.
Speaker of the House of Representatives Paul Ryan, who hesitated to endorse Trump earlier this year, sounded like he was all in at the convention.
Both Mr Ryan and Mr McConnell need Mr Trump to do well in the November election as they seek to preserve majorities in Congress. Overall there have only been five arrests since the convention started, and protesters have numbered in the hundreds, not thousands. The event will now be held at Hofstra University in NY.
"There wasn't an Iowa walk off", said Iowa Congressman Steve King.