Answer:
B. It becomes a push factor.
Explanation:
In the mid-1800’s, a large number of immigrants crossed the Atlantic Ocean to begin a new life in America from Europe. More than 3 million of these immigrants arrived from Ireland and Germany. Many of them were fleeing economic or political troubles in their native countries.
During this time period, technology was developing rapidly. The Industrial Revolution had begun. Larger faster steamships brought people to America by the thousands. Railroads grew and expanded. People could travel quickly and efficiently. Factories were built to produce many new products only recently invented.
With the rise of American industry, growth of the railroad system created thousands of jobs both in factories and in the construction trade.
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Answer:
a)Lack of a strong central authority and the constant threat of armed attack led to the establishment of a new institution.
Explanation:
the empire was so large it was hard to defend
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<span>The Navajo Code talkers played a critical role during World War II. The members of this Native American group were recruited by the US military as individuals who could relay important battlefield messages without the fear of the message being decoded by the Axis Powers. This was because the Navajo language was very difficult to learn and there were very little written records of this language. This is why the US military recruited this group specifically. Thanks to their service, the US military officers were able to communicate battefield positions of their enemies and ongoing correspondence about the place of their next attack without fear of their enemy breaking their code. </span>
Answer:
"act of Congress, the Oregon trail begins in Independence, Missouri, and ends in Oregon City,"
Explanation:
