Question 4 unsaved the spanish empire's were perhaps the greatest motivation for other european nations, such as france, england, and the netherlands, to begin exploration and settlement of the new world.

The correct answer is - colonies.

The colonies that were established by the Spanish Empire triggered the other European colonial countries to start with the exploration of the New World and make their own colonies as well. They thought that since the Spanish have such an interest for the New World, than it must be worthy, and take advantage in the sense of increasing their territory, using the resources, using the land and the new attractive plants.

four sitting presidents have been assassinated while in office but the first was abraham lincoln,