I think it's The Cassini-Huygens mission
Answer:
Many African Americans, while slaves, had not learned how to read.
Answer:
Steam-powered trains.
Explanation: Railroads provided the most dramatic transportation growth during the 1800s. They facilitated the movement of people, goods, and information, decreased shipping costs and time, and strengthened the links between the Old Northwest and the East.
One important factor that brought changes to the hunter-gatherer way of life was large prey animals were becoming extinct.
<h3>What led to a change in the hunter-gatherer lifestyle?</h3>
Hunter-gathering was the main way that humans survived before the Neolithic Age brought about agricultural innovations.
This lifestyle of hunting and gathering began to change and become less prominent however, when large prey animals began to go extinct. This meant that the animals available could no longer feed larger societies and so an alternative food source was needed.
The alternative source of food was found when humans began clearing lands for settlement and discovered more about planting techniques. This allowed them to engage in agriculture in what because known as the Neolithic Revolution.
In conclusion, an important factor that brought changes to hunting and gathering was large prey animals were becoming extinct.
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