A. They started because of the lack of agricultural support in the south :))
i hope this be helpful
Answer:
C) Only the researcher is aware of which subjects are in the experimental and control groups.
Explanation:
I don't think A makes much sense in this context and it's very vague.
B would be a double blind experiment.
D, again, doesn't make any sense since the researcher would know what is going on, the participants are unawar.
<u>Please</u><u> give</u><u> </u><u>brainliest</u><u> if</u><u> I</u><u> helped</u><u>!</u><u> </u><u>:</u><u>)</u>
Answer:
- Oppression and slavery
- Cultural and social
- Financial and economic
- Legal and political
Explanation:
There are four categories which can be categorized under all the problems that separated the country mostly during building up to the Crisis:
- Oppression and slavery
- Cultural and social
- Financial and economic
- Legal and political
All these problems contributed to sectionalism in the U.s and brought the nation to the verge of war.
