The sentence that correctly integrates the quoted information is sentence 4 (C).
First, it is important to remember that you can not have a quote be the only thing in your sentence. In needs some sort of introduction or your own words at some point in the sentence. You also need to remember to quote the text. There are different ways to do this in MLA form, you can put the author and page number in parenthesis at the end of the sentence (see sentence 2) or you can include the author's name in the sentence and put the page number in parenthesis at the end (see sentence 4). Since sentence 4, is more than just a quote and includes correct citations, it correctly integrates the quoted information.
Answer:

Explanation:
9 x 9 x 9 x 9 is 9 multiplied by itself four times, so it's 9 to the 4th power as typed above.
Answer:
The great depression affected Americans by leaving many unemployed, which caused widespread poverty and homelessness. This also caused families to be separated while looking for jobs. Suffering from droughts in the Midwest, farmers were unable to pay for their settlements and leave. The New Deal affected mostly Native Americans. The 1887 Dawes Act had torn apart the Native's tribal lands and John Collier, the New Deals Commissioner of Indian Affairs knew the Dawes Act at the time, would leave the Natives landless . To prevent this from happening, Collier developed the Indian New Deal.