Which leader argued that the "talented tenth" of the African American population should go to college and become strong community leaders?
O A. Ida B. Wells
O B. W. E. B. Du Bois
O C. Booker T. Washington
O D. Marcus Garvey

i think it was   tsar alexander ii

copernicus finished the first manuscript of his book, "de revolutionibus orbium coelestium" ("on the revolutions of the heavenly spheres") in 1532. in it, copernicus established that the planets orbited the sun rather than the earth. he laid out his model of the solar system and the path of the planets.

the answer is going to be c