Complex sentence: It came closest to passing in 1938, when it was defeated in Congress by a vote of 209 to 188, after opposition from President Franklin D. Roosevelt, at the time, 68% of the American population supported the amendment.
Split into simpler sentences: It came closest to passing in 1938, when it was defeated in Congress by a vote of 209 to 188, after opposition from President Franklin D. Roosevelt. At the time, 68% of the American population supported the amendment.