Kennan was an American diplomat in Russia and Truman advisor who believed the U.S. must contain, or stop, the expansion of the Soviet Union. ... The Truman Doctrine was a policy of containment because it called for providing direct aid to foreign countries resisting communism or communist threats.
<span>The present-day Republican Party is descended from the "Whig Party," since the Republican Party was formed primarily out of an aversion to slavery in the US. </span>