Complex sentence: During the early presidency of Franklin Roosevelt, Johnson supported the president's economic recovery package, the New Deal, frequently crossing the floor to aid the Democrats and even backing FDR in the 1932 and 1936 presidential elections, although he never switched party affiliation.
Split into simpler sentences: During the early presidency of Franklin Roosevelt, Johnson supported the president's economic recovery package, the New Deal, and frequently crossed the floor to aid the Democrats. He even endorsed FDR in the 1932 and 1936 presidential elections, although he never switched party affiliation.