I think your answer is B, in the 1920s the American economy began to contract and the depression lasted about a year
Explanation:
Red Guards, in Chinese history, groups of militant university and high school students formed into paramilitary units as part of the Cultural Revolution (1966–76). These young people often wore green jackets similar to the uniforms of the Chinese army at the time, with red armbands attached to one.
Answer: Sale and export of slaves to Louisiana.
Explanation: European explorers influenced the development of Louisiana starting with the massive importation of slaves to work in sugar cane plantations, which was very low, sufficient reasons for the purchase of more slaves to explorers, thus achieving in this way that production will increase and lead to the economic development of this territory.
