Which of the events has had the greatest impact on the world through history?

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

In 1964 congress of racial equality and the student nonviolent coordinating committee launched

In the declaration of independence, the colonists listed the complaints against the british government to prove they were being treated unfairly. what was one complaint in the declaration of independence?