Question

why does roosevelt use repetition in his request for a declaration of war? to highlight his own credibility to provide alternative courses of action to compare the experiences of countries to emphasize the threat posed by japan

Explanation:

Roosevelt used repetition to drive home the point about the seriousness of the threat Japan posed. By repeating key - ideas, he aimed to make the Congress and the public fully aware of the danger. It was not about highlighting his credibility, providing alternative actions, or comparing countries' experiences.

Answer:

to emphasize the threat posed by Japan