What was the biggest reason that europeans began to explore unknown regions of the world during the age of exploration?

D) Europeans wanted new sources of raw materials and new markets to which they could sell goods, increasing European wealth

2686-2181 bce-- "egyptian civilization developed along the nile river in large part because the river’s annual flooding ensured reliable, rich soil for growing crops."

1069-664 bce-- "ancient egyptians developed wide-reaching trade networks along the nile, in the red sea, and in the near east."

formulating the initial idea for the policy

answer is c.