Final answer:
Roosevelt's great assets did not include military strategy.
Step-by-step explanation:
The correct answer is c) Military strategy.
While Franklin D. Roosevelt had many great assets, military strategy was not one of them. Roosevelt was known for his charismatic leadership, economic expertise, and exceptional oratory skills. He successfully implemented policies like government regulation of the economy and aid to farmers through his New Deal program. However, military strategy was not a key strength of his.