What were the key arguments for and against U.S. imperialism during the Spanish American War??

Answer 1

The argument for imperialism was that the U.S. had a duty to protect our hemisphere from foreign domination. Somehow, that philosophy was extended to the Philippines -- under Spanish rule

The argument against imperialism was that the U.S. should remain neutral in international disputes and that we had enough territory in the continental U.S.

Check these sites for more information.

http://www.smplanet.com/imperialism/remember.html

http://encarta.msn.com/encyclopedia_761566463/spanish-american_war.html

http://www.besthistorysites.net/USHistory_EarlyImperialism.shtml

http://en.wikipedia.org/wiki/Spanish-American_War