It's kinda hard to explain but I found a reliable website
http://www.history.com/topics/mcculloch-v-maryland
In order to ensure that they had the water they needed for their farms, the Inca built large canal systems to irrigate, or bring water to, their fields. The canals also brought water to the cities. Many streets had supplies of fresh water running through a canal.
Maximilian Robespierre effectively ruled the nation from 1793-1794. After he was overthrown, a council known as the Directory ruled until 1799, when Napoleon took over. He ruled until 1814, when Louis' brother took the throne.
Answer:
C. City-states there became wealthy.
Explanation:
The Italian cities grew to consists of powerful towns and countryside.