Why did congress offer free land in return for two years of military service?

Why was the battle of gaugamela an important turning point in alexanders conquest of persians empire

What did sargon's empire have in common with other mesopotamian city-states? a. it extended over a greater territory than anyone had ever conquered before. b. it fought with surrounding city-states. c. it covered an area from the mediterranean sea to the persian gulf. d. it had a professional army.

What spanish colony gained its independence in part due to the efforts and sacrfice of a village priest named father hidalgo? a. argentina b. venezuela c. mexico d. peru answer asap