How did Lyndon B. Johnson's Vietnam War policies affect his political career? Responses He did not seek reelection in 1968 due to the unpopularity of the war. He did not seek reelection in 1968 due to the unpopularity of the war. He left the presidency to become an Army general to better manage the war. He left the presidency to become an Army general to better manage the war. He won reelection by a landslide in 1968 due to his popular war policies. He won reelection by a landslide in 1968 due to his popular war policies. He served four terms as president so he could oversee the war to its conclusion.