The enlightenment ideas encouraged people to create things such as elections and parliaments to make choices. In case of a corrupt government, the people could change it completely with ease and without any blood spilled, which was a strong enlightenment idea.
The answer is the first one, A
The Maine exploded, causing the United States to become involved in the Spanish American War. It was supposed to have a friendly mission, but resulted in a war.
The place value of 5 in 69,500,000 is 500,000