Which organization did the ancient greeks form in order to protect themselfes against foreign invasions after the persian war?

Why did the us government remove native americans from the southeast in the 1830s

Why was the tea tax seen as a reprehensible to the people of boston ?

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