The correct answer is A. Technological advances such as s<em>team power, air brakes, automatica lubricators and steel tracks</em> have affected the railroads very positively, since it has made it possible that the rail network could become a safer, more efficient and more reliable means of transportation for goods.
<span>Before 1860, the change that most influenced the lives of native americans on the great plains was the introduction of the horse. Reintroduction of the horses revolutionized entire cultures. It brought a lot of new possibilities of growth, so lots of tribes abandoned a relatively sedentary lifestyle in order to to become horse nomads. Also, the importance of haunting greatly increased for most tribes because ranges were expanded. As a result, a person’s wealth was measured in horses, those who could capture them from an enemy could be in respect with tribes.</span>
The workers wanted better working conditions and better living conditions
Answer:
Abraham Lincoln
Explanation:
He did more than most and did it all during the most violent time in American history. Maybe not anymore but kinda. Some may not see it the same way but he also gave his life by working for what he believed was right and then being assassinated for what he believed.
Answer:
The answer is option C
Explanation:
The Great Migration, now and then known as the Great Northward Migration, was the development of six million African-Americans out of the country Southern United States to the urban Northeast, Midwest, and West that happened somewhere in the range of 1916 and 1970.The second critical reason for the Great Migration was the craving of dark Southerners to escape isolation, referred to metaphorically as Jim Crow. Provincial African American Southerners trusted that isolation and bigotry and bias against blacks was fundamentally less extreme in the North. The Great Migration, a long haul development of African Americans from the South to the urban North, changed Chicago and other northern urban areas somewhere in the range of 1916 and 1970. Chicago pulled in somewhat more than 500,000 of the around 7 million African Americans who left the South amid these decades.