If they conqured it they could make them pay you tribute and they would no longer have to trade with them.
to get control of another kingdom
Somewhere in Egypt
for trade reasons and that they were bigger than Nubia and wanted to gain power.
No. Nubia is in Egypt.
Nubia was a land south of Egypt. They provided gold and many other things, even ostrich feathers.
Nubia had a lot of gold, ivory, ebony, and animal skins so they traded with Egypt until Egypt took Nubia over.
Egypt got gold from Nubia.
Nubia was the south portion of Egypt.
They became rivals because Egypt was benefiting from Nubia and they got better and more goods from lower Nubia. is the other answer which i understand doesent help but the best answer is that nubia and egypt were fighting because nubia wanted land. :)
Egypt needed Nubia to fight of the invaders
Well Nubia had cattarcts. And mines. While Egypt didn't
The river in Nubia is different from the one in Egypt because the Nile River in Nubia is not to smooth as the Nile River in Egypt.
They became rivals because Egypt was benefiting from Nubia and they got better and more goods from lower Nubia.