The answer to your question is,
A. Railroad operations across the nation
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Answer: Colleges changed because slavery ended.
Explanation: Slavery ended on September 22, 1862. Because of this, African-Americans were allowed to start attending colleges.
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Answer:
A
Explanation:
A talks about one war being more horrific than the other, which is up to opinion. For example, I may think World War 1 was more horrific, but you may think World War 2 was more horrific. It is an opinion.
A majority of the world's countries participating in World War 2 is a fact. 30 nations participated in World War 2, which is a fact and is not up to opinion.
Japan's surrender ending the War is a fact, the war did end when Japan surrendered, it is not an opinion.
The amount of deaths that happened in the war is a statistic, which is purely factual.
Today's 'democracy' is more of a republic than anything. In ancient Greece, every citizen got a direct and equal vote, by casting stones into the pile that signified which side they were on. In today's democracy, the people don't get that much say