Multiple choice? if you do then pass it to me so I can see if I can help you okay.
Answer:
Muslim forces ultimately expelled the European Christians who invaded the eastern Mediterranean repeatedly in the 12th and 13th centuries—and thwarted their effort to regain control of sacred Holy Land sites such as Jerusalem. Still, most histories of the Crusades offer a largely one-sided view, drawn originally from European medieval chronicles, then filtered through 18th and 19th-century Western scholars.
Explanation:
I believe the answers are 1, 2, and 4
All the nations(for example Europe) was included in the Great War. The Civil War only included the Union and the Confederate states.
Communism expanded. At the end of the war, North Vietnam conquered South Vietnam in 1975. The north and south united under one government. Communism spread and is one of the few remaining communist countries.