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.
<span>Social distance: It is the distance that separates us from strangers. Use with people with whom you do not have any kind of relationship, it is the distance of people who do not know each other well. It is used by most Americans in this type of social situations.</span>
para ir de un país, región o lugar a otro. pasar periódicamente de una región o clima a otro, como ciertas aves, peces y animales: las aves migran hacia el sur en el invierno. cambiar de un sistema, modo de funcionamiento o empresa a otro. Fisiología.
