The passage of the Fifteenth Amendment in 1869 prompted the formation of two major suffrage organizations because it granted formerly enslaved men the right to vote, while women were still denied this right.
Option B
Explanation:
The fifteenth amendment was the last to be introduced in the ' reconstruction amendment ' which aimed at prohibiting discrimination against the voting population based on race or on the prior condition of service.
It was enacted in 1869 by Congress and rapidly ratified in 1870 by the three-fourths required of the States. The Republicans controlled southern states, so there were no ways to obstruct the amendment for the expected opposition.
Suffrage was given to male electors paying tax in the 1869 Constitution, and the vote was extended to all males 21 years of age in the 1888 Constitution. Women had the opportunity to vote in the Communist Law of Yugoslavia.