A lasting result of the New Deal in the United States has been the

reduction of the national debt

control of stock prices by the Federal Government

joint effort of business and labor to strengthen the Presidency

assumption by the Federal Government of greater responsibility for the nation's well-being

D) assumption by the Federal Government of greater responsibility for the nation’s well-being. FDR's New Deal greatly increased the government's budget, and it introduced the SEC, which only monitors the stock exchange. Furthermore, FDR's New Deal directed the U. S. to move in the direction of a welfare state, which is a system where the government takes great responsibility in the well-being of the nation's economy, people, and etc.