The answer is A.
America's military might surpassed Western Europe, along with their GDP. The same happened with the Soviets.
In the 19th and early 20th centuries, one room schoolhouses were the norm in rural areas. A single teacher taught grades one through eight together. The youngest students—called Abecedarians, because they would learn their ABCs—sat in the front, while the oldest sat in the back. The room was heated by a single wood stove.
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Answer:
There are three main reasons for European Exploration. Them being for the sake of their economy, religion and glory. They wanted to improve their economy for instance by acquiring more spices, gold, and better and faster trading routes. Also, they really believed in the need to spread their religion, Christianity.