He first africans to be brought to british north america landed in which colony in the early 1600s?

The first African slaves were brought to the Jamestown Colony in what is today Virginia. Jamestown was settled in 1607 and it wasn't long before the colony moved past the used of indentured workers to slaves without a contract. By the 1620s, the Jamestown colony was actively bringing in slaves for farms.

the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.