B. The sum of the protons and neutrons.
Answer: the Americas
The Monroe Doctrine (1823) was a United States policy that warned European states not to interfere with the Americas. It opposed colonialism, and claimed that any intent to interfere would be consider a sign of hostility towards the United States. However, it recognized existing European colonies and promised not to interfere with the internal affairs of European countries.
Answer:
Union troops attacked Confederate forts in South Carolina.
Explanation:
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Railroads approved greatly of the state governments' legislation during
the gilded age. For example, one of the biggest pieces of legislation
regarded the rules surround eminent domain. This essentially meant that
anyone was able to get private ownership of any land for as little money
as possible. This meant that the railroads were able to build and
develop on land that they had got either for free, or that they had paid
very little for.
