What were the British allowed to do, due to the writs of assistance?

They were documents which served as a general search warrant that allowed customs officials to enter any ship or building that they suspected for any reason might hold smuggled goods.

Explanation:

This violated the colonists natural rights; it created issues with their rights for private property and they didn't feel secure in their homes. It gave the officials the opportunity to abuse the system and harass the colonists.

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