The correct answer is B) Americans began to settle along railroad tracks out in the West.
Improvements in transportation, like the development of railroads during the early to mid 1800's, allowed citizens to move West of the original 13 states. This era of westward expansion (also referred to as manifest destiny) was one in which the American federal government continued to gain more land in North America either through treaty or war. This resulted in the creation of a transcontinental railroad. This railroad allowed people to move out West to get extremely cheap land and to start their new lives in these newly created cities.
<span>The Maji Maji
Rebellion is an example of the Africans’ resistance to the European Colonies in
East Africa. It is also known as the Maji Maji War where Africans resulted to a
violent resistance towards the colonies of Germany. The war took place in
present-day African Great Lakes region. </span>
Answer: Percy Spencer
Percy Spencer, was an American engineer. He was the inventor of the microwave oven in 1945, serving the Raytheon company.
The calorific effect of microwaves was discovered by the American Percy Spencer. While experimenting with radars and microwaves, he noticed that the candy bar in his pocket had almost melted. He sought the explanation of this fact, the grain of corn under the effect of these waves and within seconds they were transformed into popcorn. The microwaves had agitated the water molecules contained in the corn kernels, rubbed them against each other, and warmed them.
The British army surrendered at Saratoga, in the Battle of Saratoga, which effectively ended the American Independence, and the US was seen as a nation of its own.
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