(A) ** The imperial countries needed ports for their naval ships.
(B) The imperial countries wanted to prohibit trade.
(C) The imperial countries wanted to spread Islam.
(D) The imperial countries needed workers to immigrate.
EXPLANATIONS BELOW
Concept note-1: -Leading European nations also felt that colonies were crucial to military power, national security, and nationalism. Military leaders claimed that a strong navy was necessary in order to become a great power. Thus, naval vessels needed military bases around the world to take on coal and supplies.
Concept note-2: -Imperialism is when a country extends its power into other territories for economic or political gain. The goal of imperialism is to acquire resources, often through exploitation and force. Motives for imperialism include economic, cultural, political, moral, and exploratory control.