How do these inventions and contributions from Abbas Ibn Firnas demonstrate that Cordoba was a center of learning and innovation?

In his speech how does kennedy build his claim that the united states will defend freedom in its hour of maximum emergency? a.by arguing that the u.s. must enforce international law across the world since the united states is the lone superpower in the worldb.by demonstrating that the poverty which many people suffer from is an obstacle to true freedom  c.by stating that the u.s. will play an active role in fighting groups that are opposed to freedom, and by supporting groups that are fighting for freedom  d.by demanding that the adversaries of the united states be more willing to negotiate, or else there will be war

Explain how john f.kennedy organized the content of his speech.cite specific examples from his speech to support your answer

What does the second video tell you about life in the united states compared to life in russia?