By Susan Cornwell and Makini Brice WASHINGTON (Reuters) – The House of Representatives gave final approval on Wednesday to one of the largest economic stimulus measures in U.S. history, a sweeping $1.9 trillion COVID-19 relief bill that gives President Joe Biden his first major victory in office. The measure provides $400 billion for $1,400 direct payments to most Americans, $350 billion in aid to state and local governments, an expansion of the child tax credit and increased funding for vaccine distribution. Forecasters expect it to supercharge the U.S. economic recovery. “Help is here,” Bide…