Answer:
looking for personal freedom and jobs
Explanation:
Since the industry started to develop in the United States, the interest among the people to migrate to it increased even more. The reasons for this were that the United States had industry that was growing very quickly, so labor force was demanded, thus the job opportunities were plenty. Another reason for the migration was personal freedom. The United States were seen as the country in which the people can express themselves freely, and that if they work hard enough and are capable enough, they can easily progress and became part of the higher class, which of course was very attractive for the ordinary people.
The first inventions that harness natural energy resource is Water mill. Back then, people use the power of water to move the lever in order to create mechanical movement.
The invention that help transfer water from river to town is aqueduct. Or more commonly knwon as water bridgte, useful to navigate the movement of water.
Lever is the invention that makes lifting weight easier, mostly used in contruction sites.
People feel that Kennedy was a different kind of politician because "He projected youthful health and full of energy". Longer span of his existence and he is very energetic compared to other presidents that people known. He focused on improving the economy, health, and rights of people.
I believe the answers are going to be B and D
