Can you be a bit more specific? I might be able to help you if you be a little more specific.
Answer:
The right answer is "It was expensive."
Explanation:
Human exploration of unknown lands and environment actually dates back to ancient times. But in a modern sense, when we speak about European early exploration, we rather speak about the sea voyages by the Portuguese, the Dutch, and the Spanish in order to find new routes to Asia, starting in the 15th century. Maritime trips were expensive and uncertain; the main goals of those expeditions were commercial.
Defined the border between the United States and Spanish Florida; guaranteed US navigation rights on the lower Mississippi River
