"As U.S. president from 1909 to 1913and chief justice of the U.S. Supreme Court from 1921 to 1930, William Howard Taft became the only man in history to hold the highest post in both the executive and judicial branches of the U.S. government."
Answer:
Europe has had the most wars in human history. All the wars in europe have been started either by, Denmark, Germany, or Sweden.