Along with the idea of looking for new trade routes, they also hoped to find new sources of gold, silver, and other valuables. Additionally, Europeans saw exploration as a way to bring Christianity to other cultures that lived in other lands.
On December 7, 1941, Japan attacked the United States Navy at Pearl Harbor, Hawaii. As a result, the U.S. entered WWII.
<span>In 1945, the United States dropped atomic bombs on the Japanese cities of Hiroshima and Nagasaki. </span>
<span>The bombs resulted in several casualties, and Japan surrendered. </span>
