12. The Warsaw Pact and NATO were competing alliance systems. This led many people to fear: A. another world war, with nuclear weapons involved.
B. the creation of new colonies in Africa and Asia.
C. the bombing of Australia.
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D. a race to explore other planets.

Why were americans concerned about the future of north and south america? check all of the boxes that apply. they worried that european countries would take over independent countries in latin america. they thought that european nations could threaten democracy in the united states. they believed that europe would never again return to the americas.