Multiple choice Which of the following best describes the significance of Harry Truman? decided to drop atomic bombs on Japan and ended WWII elected 4x; created New Deal; tried packing the courts was a rough Rider; spearheaded effort to build Panama Canal was president during stock market crash of 1929 Reveal answer Fill a bubble to check yourself A Correct answer Explanation Harry Truman assumed the presidency after FDR's death and made the critical decision to use atomic weapons against Japan to bring WWII to a close. Option B describes FDR, while C describes Theodore Roosevelt and D describes Herbert Hoover.