What was a benefit of uniting Upper and Lower Egypt? O The economy began to grow.
The capital remained the same.
O Astrong military was no longer needed.
O The government became less powerful.

The economy began to grow. I'm not too sure if this is correct, so use with caution!

b) trade is easy because of the direct line between their major ports. bilateral trade reached 89,6 thousand million.

add the answer choices and i'll give you the answer