People agree to social contracts because they establish governments which in turn establish a sense of order and security. It establishes a set of rules which makes people more comfortable when they have some to follow.
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I think this answer = Railroads had great power because they were essential to life and work in Texas.
Virginia plan advocated two legislative houses of which membership would be based on population. New Jersey plan advocated one legislative house, membership in which would be equal for all states.
Many poor Europeans were drawn to the colonies in the americas because they believed they could raise their social status in the colonies