I believe your answer is B
Agriculture and textile factories impacted the economic development of South Carolina in several ways:
i) The textile industries and factories that had emerged before the civil war became very important in the history of South Carolina. There was a ready supply of raw materials, and change of attitude towards the development of industry which led to the growth of textile industries in South Carolina.
ii) The emergence and growth of agricultural and textile industries led to urban development and the rise of the population through migrant migration and a natural increase due to increased food production.
iii) growing of rice led to most of South Carolina's economic success through the rise of rice milling factories that utilized water power drive pestles.
iv) During the civil war, the textile and agricultural factories industry operated to capacity supplying uniforms and weapons leading to revenue growth and economic development.
It made things faster, simpler, and better.
"If the ruling dynasty was wealthy, it would keep the Mandate of Heaven" is the best answer from the list, but it should be noted this was not always the case.
D. American Indians protesting the influx of immigrants
