Answer:
The answer is d, the mandate allowed the people to rebel against an unfit ruler, and the leader of the rebellion had gainded the mandate
The U.S., under Jefferson, bought the Louisiana territory from France, under the rule of Napoleon, in 1803. The U.S. paid $15 million for the Louisiana Purchase, and Napoleon gave up his empire in North America. The U.S. gained control of Mississippi trade route and doubled its size.
"Epidemiological study" type of research studies populations and is often used to search for correlations or associations between dietary habits and disease incidence.
<u>Explanation:</u>
"Epidemiology" is the study about human's diseases or other animal populations to detect and analyse how, when and where they occur. The study try to determine which factors are associated with disease termed as risk factors and which factors can protect people or animals from disease termed as protective factors.
Therefore "Epidemiological study" type of research studies populations and is often used to search for correlations or associations between dietary habits and disease incidence.
