Answer:Paul Revere was an American silversmith and a patriot in the American Revolution. He was important because he alerted Colonial militia of British invasion before the Battles of Lexington and Concord.
Explanation:
The last one. During the crusades, different foods and such were found, different goods were unlocked to europe, and different mathematic and scientific ideas were brought back as well.
The student protest at Tiananmen Square of 1989 failed because the government was in chaos.
Answer: Option C
<u>Explanation:</u>
The death of Hu Yaobang enraged a lot of people, especially the students, leading to a lot of protests. During the initial stages of the protest, the government of China was reluctant to take any action against the rising protests, because the government was in chaos.
Some officials of the government wanted to respond with violence, whereas some voted to respond in a non violent manner. It lead to a lot of confusions, but finally the Hardliners won the debate and responded by imposing martial law on the protesting people in Beijing.
The modern development of today's world would have first made the routes safer. Today we have the safety of common things such as police officers, hospitals, e.t.c. Transportation of goods would have been easier, and it would have been easier to carry larger amounts of goods at one time.
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