What impact did overgrazing have on afro-eurasian lands?

Why is it useful for historians to base certain studies on the analysis of historical themes

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.

Abigail adams rescued important items from the white house, including a portrait of abraham lincoln, during the war of 1812. a. false b. true