They believed the land was rightfully theirs and that they had to conquer it, so they passed policies that could allow them to spread out among the nation and gather more land for the United States.
B. If the German air force won, the German army could invade Britain
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One reason why English immigration to the colonies dropped dramatically after 1660 was because "<span>c. The English economy improved and political and religious conflict diminished," since this had been a major motivation for much of the colonial emigration leading up to this point. </span>