Help please will give brainliest

What are the strengths of the byzantine empire?

List a few examples of city-states that practiced oligarchy in ancient greece

Alot of points! ! what was the greatest achievement of el libertador, simón bolívar? a. he became a military strongman in peru. b. he freed venezuelans from spanish rule. c. he bernardo o'higgins liberate chile. d. he united mexicans of all races against spain.