Question

what was one characteristic of early european exploration?
it was safe.
it was fast.
it was expensive.
it was predictable.

Explanation:

Early European exploration required funding for ships, crews, supplies, and navigation tools, and voyages carried high risks of loss, making the endeavor costly. The other options are incorrect: voyages were dangerous (not safe), slow due to wind-powered ships, and unpredictable due to unknown routes and weather.

Answer:

It was expensive.