After ratification of the fifteenth amendment, how many african americans served in congress in the late 1800s?

According to george washington, what was one reason a president should veto a bill?

Which of these did the soviet union do in 1961? it built a wall through berlin to keep people from moving to the west. it used force to destroy a wall the united states had built in berlin. it convinced the british and french to merge their zones in berlin with the soviet zone. it threatened to bomb berlin if the united states did not leave within 30 days.

How did the mexcian war of independence differ from the american revolution?