Why do scholars study american indians by language group? why were there so many american indian languages? plaese

Which of the four planes was hijacked first? a. flight 175 b. flight 77 c. flight 11 d. flight 93

What are the biggest challenges facing the average american citizen today? explain.

The colonists accused king george 111 of the great britain of being a tyrant and made specific complaints against him. what were the two main complaints made against king george?