Question

How did Spain benefit from the 1494 Treaty of Tordesillas?

Answer 1

The treaty kept Portugal out of most of the Americas

Step-by-step explanation:

Answer 2

One of the main ways in which Spain benefited from the 1494 Treaty of Tordesillas was that it clarified that certain lands in the New World that were in dispute (since Portugal had also claimed them previously) would go to Spain, thus enlarging the empire.