In 2006, the united states warned north korea against selling its bombs, threatening to retaliate against north korea if any other actor used such a bomb against the united states. this strategy of the united states to prevent proliferation can be considered an example of which principle?

What triumphs did the late 19th century witness in the realms of industrial growth, urbanization, and technological innovation? what challenges did these developments pose for urban dwellers, workers, and recent immigrants? how did city officials and everyday citizens respond to these challenges?

What was the most common destination for african american migrants between 1910 and 1930

Which of the four planes was hijacked first? a.flight 175 b.flight 77 c.flight 11 d.flight 93