WASHINGTON—House Democrats have reached an agreement with the White House to strengthen labor, environmental, pharmaceutical and enforcement provisions in President Trump’s North American trade pact, a significant development that moves the president’s signature trade deal closer to becoming law.

WASHINGTON—The United States, Canada and Mexico came to a last minute agreement last Sunday on a revised trade deal called the United States-Mexico-Canada Agreement or USMCA. President Donald Trump and his Mexican and Canadian counterparts are expected to sign the deal by the end of November. It will then be up to Congress to approve the deal, which is likely to come up for a vote next year.