which of these events during the age of exploration was a cause of the other three? a warfare increased as…

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
Answer
Brief Explanations:
Advances in learning and technology enabled long - ocean voyages. These voyages led to Europeans reaching new lands, which in turn caused increased competition for land and power among European nations, led to the exchange of food, animals, and ideas between continents, and exposed native populations to European diseases.
Answer:
B. advances in learning and technology made long ocean voyages possible