Why did Europeans want to explore other lands?

They were searching for trade routes I believe

To have more land, and to see how much more land there was out there. for a long time Europeans thought that the land they were on was the only land in the world (they also wanted to see if the world was flat or round)

Explanation:

I learned it a while ago, hope this helped! :)

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.