Answer: B
The correct term is urbanization. As immigration increases, immigrants are concentrated in cities, looking for work. More people means more available labor, which means that industrialization is more likely to take place. Factories develop, and this leads to urbanization and the growth of cities. As cities get larger, immigrants are more likely to believe jobs are available, which leads to increased immigration, perpetuating the cycle.
Pact of Steel<span>, Alliance between Germany and Italy. </span>Signed<span> by Adolf Hitler and Benito Mussolini on May 22, 1939, it formalized the 1936 Rome-Berlin Axis agreement, linking the two countries politically and militarily. :)</span>
It was decided in 1987 that this event should be remembered by the U.S. Congress. The trail of tears became national historic trail to remember those who had lost their lives.
The correct answer is C. The closing of the western frontier.
In his 1893 published paper, The Significance of the Frontier in American History, Turner stated that while it was technically true that the frontier was closed, it was the frontier life that shaped the success of the United States. His idea, which was summarized in his frontier thesis, traced the development of the United States using the settlement of the West as a measure. He argued that early settlers were essentially Europeans; they had European values and European character, but because of the frontier experience, they had to adapt, resulting in their placing a greater value on things like ingenuity, democracy and individualism. Furthermore, it was these experiences of living out in the frontier that led to settlers becoming distrustful of authority, less artistic, and more violent.