Agriculture changed the way ppl lived resulting in them not having to work as much. When ppl figured out they could grow crops and not have to hunt for food it saved them energy and was more convenient.
Answer:
Could you rephrase it it is hard to understand
Explanation:
Answer:
The set of U.S. Presidents that have descendants who are married to each other are Richard Nixon and Dwight Eisenhower.
Explanation:
Both presidents have common descent, since the only grandson of President Eisenhower, David Eisenhower, married in 1968 with Julie Nixon, daughter of President Nixon. The couple had 3 children, Jennie Elizabeth, Alexander Richard and Melanie Catherine Eisenhower, who are therefore grandchildren of President Nixon and great grandchildren of President Eisenhower.
The invention of the steam engine created many changes and additions to the technology of the time, including steam powered locomotives. Steam locomotives are vehicles that run on rails or tracks and are powered by steam engines. They were historically used for moving freight and other materials, as well as passengers.
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