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 US intelligence beforehand had deciphered messages laying out the Japanese plan.
A) is the answer I'm pretty sure
Answer:
Alternative Titles
Explanation:
several ordinances enacted by the U.S. Congress for the purpose of establishing orderly and equitable procedures for the settlement and political incorporation of the Northwest Territory that part of the American frontier lying west of Pennsylvania, north of the Ohio River, east of the Mississippi River, and south of the Great Lakes; this is generally the area known today as the American Midwest
The answer to the question above is the Mali Empire became the world's largest producer of gold and Mansa Musa spread the Islam on Mali Empire.
The effects of Mansa Musa's rule on Mali Empire and West Africa is the Mali Empire became the world's largest producer of gold. He also spread the Islamic religion on Mali Empire and he made a pilgrimage to Mecca.
