Answer:
The 30-years war was not called a world war as it was mainly in Europe, very few colonies were involved, unlike the 7 years' war.
Answer:
The answer would be B, because the Emancipation Proclamation is what changed the war from being just about the preservation of the Union.
Right down points you are going to make in the discussion, followed with a reason on why you feel those points are necessary
The event that got the USA seriously involved with WW2 was the attack on Pearl Harbor on December 7, 1941.