<span>Primary sources are first-hand accounts of a topic while secondary sources are any account of something that is not a primary source. Published research, newspaper articles, and other media are typical secondary sources. Secondary sources can, however, cite both primary sources and secondary sources.
</span><span> Hope this helps :) :)</span>
The answer is the light bulb.
Answer:
This long-awaited and decisive attack ultimately led to the defeat of Nazi Germany. By the end of the war, Eisenhower had become a five-star general the highest U.S. military rank. Eisenhower's leadership during World War II made him a national hero.
Rene` Descartes <span>has been rightly called the father of modern rationalism.</span>
During the Cold War, there were many proxy wars and the war in Afghanistan was one of them. The two parties fighting within the country were either supported by the U.S. or Soviet Union. As a result, the U.S. provided weapons to the jihadists against the Democratic Republic of Afghanistan who were supported by the Soviet Union. Later, Muslim extremists got a hold of these weapons and terrorist groups formed.
