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B. </span><span>Africa is the world's second-largest and second-most-populous. </span>
"<span>C. He believed strongly in the Union and the power of compromise in balancing rights" is the best answer. Calhoun was a fan of strong national government early on, but then switched to favoring states' rights. </span>
Both nations did not want to fight directly because of the threat of a nuclear Holocaust, They were the most powerful nations that spread influence and dominance to surrounding countries and fighting them directly would have started another World war.
The answer is B France and England:)
