I'm not quite sure about my answer, so I may be incorrect, but I think the answer would be C.
I'm just going with my gut instinct right now, so I may be incorrect.
The Mughal Empire (also known as the Mogul Dynasty) in India was established by Akbar Babur. The Mughal Empire was know as an empire which observed religious tolerance, as the Mughal emperors were mostly Muslim, but they were ruling over a Hindu majority. The Mughal Empire is also quoted for building many beautiful architectural pieces, such as the Taj Mahal. The British East India Company eventually came whilst the Mughal Empire was at its end and tried Akbar Babur for treason, expelled him to Burma and took over the last parts of the empire.
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.
The correct answer is option (a). The Harlem Renaissance is also known as "New Negro Movement" (named after the anthology of Allain Locke). This movement took place in Harlem, New York, between 1920 and 1930 and it was an intellectual, artistic and social explosion that served so that artists like Claude McKay could locate the roots of the black experience. In his works McKay rendered the African cultural inheritance being one of his most representative masterpieces "If We Must Die" published in 1919
It had referred to a city-state. Here is why:
A polis is a city-state in ancient Greece. Usually it had consisted of a little village sort of place that was in the polis. The polis had contained a hill that a sort of palace sat on called an acropolis. It was usually built by the sea.
Well hope that helped a bit!
Sorry if you don't understand it because you didn't learn it yet. I hope that you understand it better when the teacher goes over it. I also have put a diagram so you can see the polis better.