Answer:
Christopher Columbus was the explorer and navigator who guided them to Spanish colonization
The answer I would have to go with would be B. foreign trade was booming
Hope this helps!
The statements that describe how Feudalism work is :
1. A lord would be given land by the king in return for homage or a promise to serve the king when called upon.
4. A vassal depended on the agricultural production of serfs to feed the whole system
5. A king would hire a vassal to provide an army and political advice during times of war
They might have used Boats, ships and depending on time even cars.
I think the answer will be the first one because it is both not very general and not very specific.