Answer:
A. <u>I have known them since a long time</u>.
1. Warsaw Pact
2. NATO
3. United Nations
4. United States Department of Defense
5. Marshall Plan
6. S.E.A.T.O.
7. C.I.A.
Hi there!
In paragraph C, there is an error in sentence number 1, because it is "studied", not "studyed".
Hope I helped, and I'd love brainliest answer!
C. Lee's loyalty was torn between the Union, and his home state of Virginia