World War II. This event marked the end of American isolationism and neutralism and the beginning of foreign and defense policy of intense internationalism. ... The U.S. economy was the only major economy that came out of WW II intact. This made the country an instant economic superpower.
Temples? Some were used by the Egyptian Pharoahs' families to house and dwell in. They also were used for storage or to plan military strategies with their military men.
The Spanish-American War affected US power in Asia by making the US an important power in Asia. With the acquisition OF Guam and the Philippines the US increased it's influence in Asia .