Answer:
The global balance of power in the 20th century continuously relied on the alliances as well as the coalitions in the global conflicts.
Step-by-step explanation:
The global balance of power in the 20th century continuously relied on the alliances as well as the coalitions in the global conflicts. But there was a change over the 20th century from the power resting mainly within the Western Europe to Cold war balancing between the Soviet Union and the USA.
The European power continued to be in the world in terms of continued power and long tern democratic traditions through imperialism and the change in the advent of nuclear weapons and communism. The global political power changed through the globe through the economic power and as well as the possession of the nuclear weapons.