Why was the fifthteenth amendment created?

a) to prevent discrimination against voters based on race

b) to prevent african americans from voting

c) to prevent congress from extending voting rights

d) to prevent laws barring the african american vote

Describe some effects of the rise of communism in the soviet union?

Which action by the us war department angered chief red cloud to the point that he refused to sign the treaty of fort laramie ? a) the killing of buffalo by the united states troops b) the appointment of troops to the powder river basin c) the burning of parts of the powder river basin d) the murder of chief red cloud’s wife

"if i have seen farther than others," said newton, "it is because i have stood on the shoulders of giants." who were the giants to whom newton was referring? could this be said of any scientific accomplishment? explain.