Answer:
an enormous number of southerners, many of them enslaved, moved west to expand the cotton belt. The 1860 census counted 169,000 enslaved persons, roughly 30% of the state population. After the civil war, whites continued to arrive from nearby southern states, causing the population to double by 1880 and double again in the following twenty years. African Americans contributed little to this late 19th century migration.
Explanation:
Discovery of the concept of zero
The illegal smuggling caused economic hardship in the Portuguese empire. During the 8th and 9th Centuries, tobacco became the major product in the Portugal. Tobacco’s importance as a commercial product had in fact grown steadily after 1620, and by the early 1700s, the monopoly on its sale had become one of the country’s most precious sources of income.
Together with spices, tobacco became the principle item of exchange for products from the Far East and for slaves taken from the coast from the West Africa.
The correct answer is C. W.E.B. Du Bois (scholar and activist) was one of the most important African-American activists and the best known spokesperson for African-American rights of the first half of the 20th century. He was the co-founder of the National Association for the Advancement of Colored People (N.A.A.C.P.) and a supporter of Pan-Africanism.