In the 1500s, Ireland was conquered by (England, France, Germany) resulting in centuries of conflict. Most Irish citizens were (catholic, Protestant, Muslim)

while most citizens of the ruling nation were (catholic, protestant, Muslim)

profound political, administrative, and social changes in the british isles.

on april 6, 1917, the u.s. joined its allies--britain, france, and russia--to fight in world war i. under the command of major general john j. pershing, more than 2 million u.s. soldiers fought on battlefields in france.