Id say C but in reality it was more profitable because farmers had to pay slaves next to nothing if not anything and could have multiple workers in poor conditions so mass amounts of free workers saved them money and they could work them 24 hours a day until they dropped making the process go faster producing more than other competing farms. A sad truth from our past.. hope this helps!
Answer:
B. highways
Explanation:
Rivers are indicated as blue lines in maps.
Washington is a state not a country, it is part of the country; the United states.
Supported by China, the Soviet Union and the Viet Kong
Communist
Yes, to stop communism from spreading, and to change other countries from communism to capatilism