Answer:
a letter written by a person who is describing a current event
Explanation:
A primary source is a document from the time period of the event.
While most of these could be considered one, you have to do a process of elimination.
A scholarly article about an old event isn't a primary source, so it's not that.
An interview with a reporter who wrote about a current event is not a primary source because it is not the original document from the reporter.
A student's report about an event that occurred during her lifetime is a primary source, but it is not the best example.
Answer: Britain
Explanation:
The treaty, created in 1763, relinquished all french territory to Britain, and Britain had complete power over Canada. When the Canadian constitution was brought home, Canada became a sovereign nation and is now no longer under the control of Britain.
Shannon most likely uses Laboratory Observation for studying sleep patterns in humans in controlled settings.
Observing the behavior of subjects in a controlled environment is referred to as laboratory observation, as opposed to naturalistic observation. Variable factors in the controlled environment can be controlled, resulting in a limited number of possible responses. The experimental conditions are more tightly controlled. Measuring instruments are frequently easier and more efficient to use.
The Laboratory Observation method has the advantage of allowing you to observe how people or subjects react to a specific object. The laboratories do not need to be sterile. The disadvantage is that you cannot observe their natural reaction as that can be done in naturalistic observation.
Learn more about Laboratory Observation here:
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Mexican-American War, also called Mexican War, Spanish Guerra de 1847 or Guerra de Estados Unidos a Mexico (“War of the United States Against Mexico”), war between the United States and Mexico (April 1846–February 1848) stemming from the United States’ annexation of Texas in 1845 and from a dispute over whether Texas ended at the Nueces River (Mexican claim) or the Rio Grande (U.S. claim). The war—in which U.S. forces were consistently victorious—resulted in the United States’ acquisition of more than 500,000 square miles (1,300,000 square km) of Mexican territory extending westward from the Rio Grande to the Pacific Ocean.
