Respuesta :
Answer:
B. Their economies were becoming stagnant, and they needed a new source of trade.
Explanation:
European nations were responsible for the colonization of America. This allowed them to enrich their countries and to have constant trade partners in order to prevent their economies from becoming stagnant. However, after most nations in America became independent, Europe began to look for new ways to expand its territories. Africa was then seen as a suitable target, and the colonization of the continent began.