The main cause of the war, was the Assassination of Arch Duke Franz Ferdinand. The sinking of the Lusitania only cause the U.S. to enter and help the British and French.
The Moral Majority was a prominent American political organization associated with the Christian right and Republican Party. It was founded in 1979 by Baptist minister Jerry Falwell and associates, and dissolved in the late 1980's. It played a key role in the mobilization of conservative Christians as a political force and particularly in Republican presidential victories throughout the 1980's.