Which of these sources best helps scholars learn about the cultures of the Mayan, Aztec, and Incan people?

The mauryan empire covered most of which modern country

Underline the sentence that describes washington's first cabinet. what branch of the government is the cabinet in?

"if i have seen farther than others," said newton, "it is because i have stood on the shoulders of giants." who were the giants to whom newton was referring? could this be said of any scientific accomplishment? explain.