Answer:
Ethnographic
Explanation:
Ethnography is a qualitative research that deals with the in-depth study of a culture or facet of culture. The observer in this type of research method also become a participant, he misses with the culture or people he/she intends to study so that he/she can have a detailed report about the subject of study.
Answer:
B
Explanation:
It doubled the size of the U.S
A because if u look at the other answer they don’t make senced