The policy that allowed settlers in new territories to decide whether to allow slavery was called popular sovereignty. Option A is correct.
<h3 /><h3>What is sovereignty?</h3>
Sovereignty is a political notion that implies to supreme authority or dominant control.
The “sovereign,” or king, holds supreme power in a monarchy.
Sovereign power in liberal nations lies with the people, who exert something through representative bodies like Congress or Legislature.
Popular sovereignty was a policy that permitted colonists in new regions to choose whether to permit slavery.
Therefore, option A correct.
Learn more about the sovereignty, refer to:
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Answer:
retrospective
Explanation:
Retrospective study: The given study looks backwards and identifies exposures to protection factors or expected risk related to an outcome that is established at the beginning of the study.
It investigates an issue or phenomenon that has happened in the past.
In retrospective studies, the research method utilizes and collect data about a person's experiences of past events.
The statement is an opinion because it is a view or judgement of someone and it’s not based on facts or knowledge
