The Truman Doctrine was established to aid nations that were fighting against communism. President Truman highly disagreed with communism, which is what lead him to creating the doctrine.
Answer:
defeating Lee at Gettysburg ...
Answer:
The scientific method.
Explanation: Hope this helps.
The Enlightenment, sometimes called the 'Age of Enlightenment', was a late 17th- and 18th-century intellectual movement emphasizing reason, individualism, and skepticism. The Enlightenment presented a challenge to traditional religious views. Enlightenment thinkers were the liberals of their day.