Several factors account for obsession with race in the 1890s, including all of the following EXCEPT: O Progressive reformers became aware of discrimination and oppression of minority groups.
O American efforts to colonize and explore the globe brought Americans face-to-face with other races and
cultures.
O "New Immigration" raised concerns about conferring citizenship upon non-Anglos.
O There was violence along the United States-Mexican border and resistance of Indians to white authority.

he sent troops to protect the students as they entered the school.

the emancipation proclamation was the aim of the war change to include the freeing of slaves in addition to preserving the union. the 13th amendment, which abolished slavery in the u.s. was passed on december 6th 1865.

as promised, lincoln waited to unveil the proclamation until he could do so with success from the union military advance. on september 22nd 1862, after a victory at antietam, he publicly announced a preliminary emancipation proclamation, declaring all slaves free in the rebellious states as of january 1st 1863.

who was the head of the bureau who was the head of the bureau

he killed his so.