Question

Which are two major discoveries of 15 th century which led to expansion of white colonies outside europe?

Answer 1

Discovery or exploration of new and direct sea-routes and the discovery of New World and their wealth and resources are the two major discoveries of 15th century which lead to the expansion of white colonies outside Europe.

The European countries Colonized the New World and direct sea routes between Europe and New World and their resources prompted the European to expand their colonies there.

Answer 2

The two major discoveries of the 15th century that led to the expansion of white colonies outside Europe were the invention of the magnetic compass and exploration of major sea routes.

Apart from them, better ship design by Europeans during the period was also responsible for their expansion.

Therefore, the 15th century is often referred to as the "Age of Discovery" because many new things happened during that time.