Question

which strategy used during both world wars resulted in the mobilization of countries entire populations to support war efforts? a. total war b. communism c. nationalism d. trench warfare

Explanation:

Total war is a strategy that involves mobilizing an entire nation's population, resources, and infrastructure to fully support war efforts, which matches the description. Communism is an economic/political system, nationalism is an ideological belief, and trench warfare is a specific military tactic focused on defensive positions, none of which fit the definition of full population mobilization for war.

Answer:

A. Total war