In Africa, there is a lot of hot weather, the temperature is very high. However, in desert areas, the temperatures can drop very low at night. Since there are two big oceans on the sides of Africa, that is why Africa has such a hot and dry climate. Hope this helps.
The Social Security Act of 1965 authorized Medicare and provided federal funding for many of the medical costs of older Americans. So B or C.
In 1834, the federal government had passed an act that designated the entire Great Plains as one enormous reservation, or land set aside for Native American tribes. In the 1850s, however, the government changed its policy and created treaties that defined specific boundaries for each tribe. Most Native Americans spurned the government treaties and continued to hunt on their traditional lands clashing with settlers and miners, with tragic results.
The government’s continuous changing of American Indian policy caused mistrust.

Because when people go into debt they can't pay for thing and that messes up the business cycle because people file for bankruotys and the unemmoymet rate goes up and people buy less stuff and businesses go out of buisness.
Merchants were more likely to experience safe travel.