What were the journeys of the three most notable explorers who traveled primarily by water?

What factors motivated Europeans in the 1400s to explore a direct maritime route to East Asia?

How did the ideas of Humanism and Secularism influence and shape the political, social, and cultural developments of the European Renaissance?

What were the motivations of the U.S. leaders in the 1920s to pursue a policy of isolationism and distance from the international community?

What is the largest cruise ship operated by Carnival Cruise Line?

What was the most significant commodity traded in Africa during the 16th century?