Complex sentence: In 1974, despite his criticism of Nixon, he was nearly swept out by the strong anti-Republican tide in that year's election; he was re-elected with 55 percent of the vote, what would be the lowest percentage of his career.
Split into simpler sentences: In 1974, despite his criticism of Nixon, he was nearly swept out by the strong anti-Republican tide in that year's election. He was re-elected with 55 percent of the vote, what would be the lowest percentage of his career.