Rivers hope this helps msksmammamamallalalalallal
Imperialism is when a nation expands it's power through either war or diplomacy.
The benefits of imperialism is the power gained as well as the benefits that come with it. Some of the benefits include: the ability to more easily control trade, the ability to sometimes force a certain ideaology/religion, as well as strengthening political and military power.
The transcontinental railroad had a huge impact on the economy. The transcontinental railroad allowed for the transportation of goods over long distances. This was especially helpful for the industrial north at the time. By the 1890s, the United States was becoming an urban nation, and railroads supplied cities and towns with food, fuel, building materials, and access to markets.
Scholars made advances in science and mathematics.
Martin Luther King. BOOM! There ya go. xD