The theory of natural selection was explored by 19th-century naturalist Charles Darwin. Natural selection explains how the genetic traits of a species may change over time. This may lead to speciation, the formation of a distinct new species.
Which war are you talking about ?
After World War I, the United States had adopted a policy of isolationism, where they would not participate in global warfare or officially join the League of Nations. Roosevelt delivered the Four Freedoms speech 11 months before the United States declared war on Japan. The Four Freedoms speech was a break from the previous period of anti-interventionism, and described how the United States would be willing and able to assist its allies already at war.
The Magellan’s crew completed their first voyage between when Matin Luther promoted Church reform in 1517 and Cartier claims Canada for France in 1534.