<span>Article I, section 8 states: "To make all laws which shall be necessary and proper for carrying into Execution the foregoing Powers, and all other Powers vested by this Constitution in the Government of the United States, or in any Department or Officer thereof"</span>
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Answer:
A swollen river could easily tip over a wagon, and drown a man and oxen alike. Even if they were not drowned, they would lose many supplies, and then would likely starve to death. Disease was also a major concern and killer.
