It is D, they are nominated by the president
Answer:
The Mexican-American War, waged between the United States and Mexico from ... largely because northern political interests were against the addition of a new slave state. ... Congress declared war, despite opposition from some northern lawmakers.
Explanation:
A contract is an agreement, usually written out on a legal document, in which it states terms and agreements, as well as rewards that would be given at the end when the terms are met.
For example, a contract for assassination may be posted out in the black market. An assassin would then agree to take on the requirement of the contract. If it is met, the payment would be given to the assassin. If not, then the contract becomes void. This makes contracts important because the terms and everything is written down, and can be looked on for future references.
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Answer:
The Northern free states also were proved to produce more crops than the South, even with the North having considerably smaller labor force than the South's slave industry. ... The North's increased crops is most likely due to the recent invention of many farming machines that the South did invent and utilize.
