People started to migrate to Europe in the 300s because the rulers had efficient trade routes set up during that period. Thus, Option B is the correct statement.
<h3>What do you know about migration?</h3>
Migration refers to the movement of human beings from one area to some other as a way to stay and work. The movement of human beings from their domestic to some other city, country, or country for a job, shelter, or a few different motives is known as migration,
Therefore, People started to migrate to Europe in the 300s because the rulers had efficient trade routes set up during that period. Thus, Option B is the correct statement.
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