Donald Trump, lagging behind Hillary Clinton in polls, has outlined what he would do in his first 100 days were he to become US president.
With 17 days until the election, much of the recent focus has been on controversies linked to his campaign.
But in a speech in Gettysburg, Pennsylvania, he sought to highlight changes he would introduce.
Among them were restrictions on lobbyists and a renegotiation on trade and climate change deals.
Mrs Clinton and running mate Tim Kaine are also appearing at events on Saturday in Pennsylvania, a key battleground state in the race for the White House.
Mr Trump’s advisers indicated before his speech that the measures announced would serve as the focus for the remaining two weeks of his campaign.
Among the key details he announced were:
*restrictions on White House officials becoming lobbyists after they leave office;
*term limits for members of Congress;
*the cancellation of all payments to UN climate change programmes and the redeployment of those funds to fix US infrastructure;
*the start of the process of “removing the more than two million criminal, illegal immigrants” – and the denial of visa-free travel to countries who refused to take back their citizens
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