President Trump signs the T-MEC

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(CNN) - President Donald Trump announced on Wednesday a great bipartisan achievement without the Democrats who helped him achieve it.

By signing the North American trade agreement, known as USMCA and T-MEC in the White House, Trump hopes to prove his success even in the middle of a political trial.

But in a sign of resentment over the attempt to remove him from office, Trump only invited Republicans to attend the ceremony, along with the farmers and workers who, according to the White House, will benefit from the renegotiated pact.

It is a day that Trump expected, who earlier this month signed the first phase of an agreement with China that aims to ease global trade tensions.

Both arrived while the saga of political judgment advanced. Trump hopes to highlight a strong, reinforced US economy, he says, for trade agreements that better serve American workers, as a way to refute the allegations that he abused his office.

The agreement between the United States, Mexico and Canada replaces the North American Free Trade Agreement, which Trump criticized during the 2016 campaign. The new agreement will undoubtedly appear largely in his re-election speech this year.

The plan enshrines new car manufacturing requirements and stricter labor protections, but largely leaves the trillions of dollars in trade flow unchanged between the three countries.

Democrats voted heavily for the trade agreement along with their Republican colleagues when the vote was taken in December. The president of the House of Representatives, Nancy Pelosi, said the negotiations between the Democrats and the Trump administration threw a better deal, one that, according to her, looks little like the one Trump originally sent to Capitol Hill.

She was not invited to the signing ceremony, a spokesperson from her office told CNN. The chairman of the Media and Arbitration Committee, Richard Neal, was also not a Massachusetts Democrat who led the new agreement between the United States, Mexico and Canada.

Many Republican members of Congress attended the event, as did the Republican Party Govs. Greg Abbott of Texas and Pete Ricketts of Nebraska.

“Together with members of Congress, state and local leaders, and workers across the country, including farmers, ranchers and entrepreneurs, President Trump will celebrate another promise made, promise fulfilled for the American people when he signs the United States-Mexico-Canada Agreement "Said White House spokesman Judd Deere. "USMCA rebalances trade in North America, replaces NAFTA that kills employment, ends outsourcing of American jobs and invests in the American worker."

Mexico has ratified the agreement, but Canada must still sign before it goes into effect.

This story has been updated to reflect additional developments.

CNN's Haley Byrd contributed to this report.

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