Which group(s) had large numbers of people already living in the West (in places like California, Arizona, & Colorado) before the 1820s?

6.3%

explanation:

the acceptance rate for yale university is 6.3%. this means that only 6 percent of people who apply actually get accepted!

well, i can't read it so i'll ask you questions about it : )

if you were a reader and you read the introduction, would you want to read more?

does it start with a question? if so, is it something you would want to read about?

and ask any friends or family for their opinion : )

answer; ///he could not explain why the continents drifted;