Answer:
It is an observational study
Explanation:
In an observational study, nothing changes, all the researcher has to do is to record findings, it is a study that involves the collection of data in a real-world setting without intentionally manipulating any variable. On the contrary, an experimental study involves the manipulation of variables, you have the control group and the test group, the test group is subjected to the treatment.
The correct option is D.
The 21st Amendment was the only amendment that was ratified by state ratifying convention instead of the state legislature. The ratification was done on Dec, 1933. When the 21st amendment was introduced, it completely repealed the 18th amendment. The Amendment was introduced as the result of the failure of 18th amendment, which prohibit the sale of alcoholic beverages.<span />
Answer: To help the people of color have a voice
True, <span>Russia was able to gain access to vital Ottoman Trade routes through the Treaty of Kutchuk Kainardji (Little Fountain)
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D) The passage of the amendments was to abolish slavery and establish rights to previous slaves.
