Europeans forced africans to grow what?

Europeans forced Africans to grow export products of interest to European nations.

Explanation:

Europeans forced Africans to cultivate export products of interest to European nations. European authorities imposed taxes per head, forcing Africans to work in the mines and large farms that were often miles from their families and homes. European governments controlled natural resources, including mineral wealth and the vast forests of Africa. European companies maintained particular armies in this colony to ensure compliance with European "laws".

what are local authorities doing to fix the problem

explanation: what are local authorities doing to fix the problem

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.