D) it extended support to elderly citizens
Answer:
The Plains Indians lived in the area of country known as the Great Plains. This culture group of Indians is well-known for the importance of the buffalo, their religious ceremonies, the use of the tepee, and their war-path customs.
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Connecting past and present helps you see how humans have chosen to deal with conflict, which can lead to war, political debate, neighborhood riots, discrimination, etc. But also linking past and present helps us see how humans have solved any problems they have come across. Whether it be an economic issue, something that effects many people, or a personal issue.
In the late 19th century, immigrants arrived in large numbers on the U.S coast from China for the primary purpose of working on the Transcontinental Railroad.