Which statement describes Redi’s experiment, which helped disprove spontaneous generation?

b

explanation:

b. the 200th birthday of the united states

i think the answer is b.

roosevelt believed that in light of the country's recent military successes, it was unnecessary to use force to achieve foreign policy goals, so long as the military could threaten force. this belief, and his strategy of “speaking softly and carrying a big stick,” shaped much of roosevelt's foreign policy.