What was the historical significance of barack obama’s election in 2008?

Ineed to try to get this right so i can get a good grade so can someone me

Which best describes the characteristics of lynchings in the south from 1880 to 1910? a. the number of lynchings in the south increased b. the number of lynchings in the south decreased. c. the number of lynchings in the south stayed the same. od. the number of lynchings in the south equaled the number in the north

What is significant about the power that russian federal cities are granted?