Answer:
Polk came into the presidency with a focused political agenda and a clear set of convictions. He left office the most successful President since George Washington in the accomplishment of his goals. ... He left the nation at the end of his term facing its greatest political and social crisis since the American Revolution.James Knox Polk was the 11th president of the United States of America (1845-1849). As President he oversaw the largest territorial expansion in American history— over a million square miles of land—acquired through a treaty with England and war with Mexico.Explanation:
