Answer:
Du Bois was a doctoral student at Friedrich-Wilhelms-Universität, was the first African American to receive a Ph. D. from Harvard University (in 1895), and was awarded an honorary doctoral degree from Humboldt-Universität in 1958.
Explanation:
The Bushido code guided the samurai in life and death, and stressed loyalty to the leader and honor in every aspect of life. The Bushido code arose from Zen-Buddhism, Confucianism, and Shintoism, and taught the importance of service to master and country.
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Your answer is the first one. Domestic Servant, Skilled Trades, and field workers.
B Ireland.
During this period the United States saw a mass migration towards them from Ireland. This was mainly due to the potato famine. The potato famine caused a big percentage of the Irish population to die, and most of the population to be on the verge of existence because of lack of food. This resulted in mass migration out of the country in search for better life and of course for a place where there always be a food on the table.