Answer:
Throughout the nation and in South Carolina, many cities began to install sewer systems and pave streets to improve sanitation.
Explanation: This is correct
The Columbian Exchange had positive and negative consequences.
Some of the positive consequences were the introduction of different nutrients and food supplies into the Old World, such as corn or potatoes. This improved the diet of most Europeans, leading to a population growth in the next generations.
However, Europe benefited more than the Americas, for some of the negative consequences about the Columbian Exchange were the introduction of diseases into the continent and the slavery of African populations into the Americas.
A. The Aztec and Inca had large, united empires, but the Maya did not. <span>The Mayan region was divided into several independent city-states, some of which became powerful. A king ruled each city-state and served as the head of the government, military, and religion. Each king had a court of followers and was advised by a council. To avoid war, kings often acted as diplomats as they formed alliances with other
city-states. However, diplomacy often failed and, as a result, war between city-states was common. The city-state structure of the Maya prevented them from uniting into an empire.</span>
3.) They forced the segregation of African Americans and white Southerners.