the Arms Trade Treaty, with regulates the international weapons trade, was "badly misguided" and said that the US was withdrawing its signature.

The US signed the treaty in 2013 under then-President Barack Obama, but never ratified it. The treaty has been ratified by by 101 countries, according to The Associated Press.

Members of the NRA, which have long opposed the treaty, cheered at Trump's announcement, which he made while imploring gun-owners to vote for him during the 2020 presidential election.

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In front of thousands, Trump signed a letter telling Congress to halt the ratification of the treaty and then tossed his pen into the crowd.

U.S. President Donald Trump shows the crowd a signed document rejecting theUN Arms Trade Treaty at the NRA-ILA Leadership Forum at the 148th NRA Annual Meetings & Exhibits on April 26, 2019 in Indianapolis, Indiana. Scott Olson/Getty Images

Chris Cox, the executive director of the NRA's Institute for Legislative Action, welcomed the move, The Guardian reported, saying that "Barack Obama and John Kerry tried to force us to accept international gun control under the power of the UN, but Donald Trump has said: 'Not on my watch.'"

Trump said that the treaty would threaten the second amendment.

"My administration will never ratify the UN arms trade treaty," he said. "We're taking our signature back. The United Nations will soon receive a formal notice that America is rejecting this treaty."

Trump said that the US "We will never allow foreign bureaucrats to trample on