Egypt controlled a major trading routes and canals(most famous is sina)
Spain felt that Portugal would dominate the world's trading routes and resources and it motivated them to compete with them and invest into their own campaigns, such as the one of Columbus.
Answer:
this is a hard question, as both have been there for many years but I'd have to say the Arabs
Explanation:
A decision typically has costs/benefits.the oportunity benefit is what you gain from taking an opportunity
