The Monroe doctrine was the reaction and effect of the European powers plan to help Spain create or retake colonies in America. the doctrine, enacted in 1823,pointed out that the USA would intervene to protect the peace and freedom of independent states in the region of America.
Ulysses S. Grant, the general of the Union, and the 18th President of the United States.
It seems that you have missed the given options for this question. But anyway, here is the correct answer. The act that allowed for searches to be done by the British is called the Writs of Assistance. This is a written order <span>issued by a court instructing a law enforcement official, to do a particular task. Hope this answer helps.</span>