What great institution emerged from the empire of songhai ?

Which of the following was a result of the reconstruction act of 1867? check all of the boxes that apply.

The largest lake in south america is lake titicaca?

In ohio in 1872, the cleveland massacre was a)a violent labor dispute at standard oil refineries in cleveland. b)a takeover by standard oil of the refineries in cleveland. c)an attempt to stop standard oil from becoming a monopoly. d)a failed attempt by standard oil to take over other refineries.