The Epicureans believed that you should seek out happiness and enjoy life.
The effect of foreign conflict on Americans support would be the War of 1812 where British captured Washington, D.C. and burned our White House, and also U.S. forces turn back a British attack on Baltimore. The good thing that came out of the conflict was gaining our "Star Spangled Banner" from Francis Scott Key.
I believe it would be globalization.
the word is Media Saeculorum