oil spills non native species
To sum it down Congress' challenge was whether to allow slavery in new territories, it was so because the southern states had helped drastically in the Mexican-American war and from which they believed they would receive a reward for, Congress ended up splitting have of the new territories into slave states and non slave states.
The executive branch consists of The President, Vice President, the Cabinet, Executive departments.
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I think the best answer would be A
hope this helps
