Carroll v. United States, 267 U.S. 132 (1925), was a decision by the United States Supreme Court that upheld the warrantless searches of an automobile, which is known as the automobile exception. The case has also been cited as widening the scope of warrantless search.
After ratifying the constituion, the founders pushed through the 13 states that the people need more rights to protect themselves
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In that area cars were being made and there was a need to make roads because cars were the new method of transportation.