Answer:
Without big farms to run, the people in the North did not rely on slave labor very much. In the South, the economy was based on agriculture. The soil was fertile and good for farming. The South, however, wanted the new states to be “slave states.” Cotton, rice, and tobacco were very hard on the southern soil.
Explanation:
D. All of these choices are correct.
A is correct because Nixon tried to pull American troops from Vietnam though it took him awhile. B is correct because containment was one of the main factors of the Truman Doctrine. C is correct because Eisenhower was president during WWII when the country focused on military and economic strength.
Evolution of guns or you could say weapon technology
The correct answer is D. Commercial industry.
Explanation
A production system is a term to refer to a set of operations that allow the manufacture of an object or the provision of a service. In general, companies have a production system to become more efficient and provide the best service to their users, an example of this is the commercial industry that is characterized by focusing on mass production to constantly supply the demand of its goods and thus earn money, this is because when it is produced in mass, everything is usually cheaper this includes labor, materials and the use of machinery. So, the correct answer is D. Commercial Industry.
