Which of these events during the Age of Exploration was a cause of the other three?

A)
warfare increased as European nations competed for land and power

B)
advances in learning and technology made long ocean voyages possible

C)
Europeans brought food, animals, and ideas from one continent to another

D)
European diseases had an adverse effect on the native populations of new territories

3 answers

Someone here will be happy to check your answer.
B- advances in learning and technology made long ocean voyages possible
it's B