Answer: a writ of assistance
Explanation: In simple words, a writ of assistance refers to the general warrant that was used to be issued in the american and english colonial history.
It was issued by superior provincial courts and was used by the British government as a tool for enforcing their trade and navigation laws. When the British officers wanted to search the house of a colonists, they used to take a writ of assistance with them.
Hence the correct option is B.