Which of the following events increased the power of the presidency during the 20th Century? President Truman's executive order to use nuclear weapons on Japan.
More money was spent on president-backed defense programs like Star Wars than ever before.
Television increased the visibility of U. S. presidents.
All of these choices are correct.

Television increased the visibility of U.S. presidents.

Explanation:

uring the twentieth century, the powers of the president increased. Ronald Reagan often used television and other media to boost the nation’s self-confidence and label the Soviet Union as the “Empire of Evil.” He also worked on promoting the office of president. During the twentieth century, presidents increased membership in the administration; this happened during the Great Depression.