Mercantilism is an example of an economic system, so your answer is C! :D
The political, social and cultural changes that took place in Rome during the early empires was that there were indeed a lot of new buildings and temples, many of which were made of marble and indeed it was aso the case that there were duties to pay taxes and serve in the army for citizens; so a and d.
In astronomy, the geocentric model (also known as geocentrism, often exemplified specifically by the Ptolemaic system) is a superseded description of the Universe with Earth at the center. Under the geocentric model, the Sun, Moon, stars, and planets all orbit Earth.
His name was Henry Clay, he was a U.S. statesman that played a key role in the institution of the Missouri Compromise and the Compromise of 1850. <span />
