A. The US wanted to promote democracy throughout the world, while the USSR wished to spread a single-party system.
Explanation:
As the US were coming out of the WWII they started to try and spread democracy all over the globe and helped several nations to gain independence from other empires, while the USSR tried to spread communism and its single party system as they believed it was the best way to govern and they needed to expand their influence over the globe.
As Britain increasingly colonised more and more African countries, the British had become the dominant power along the coast, and they began annexing and laying claim to territory gradually.
