Ownership, size, teaching status
Answer:
It was Babylon, The Euphrates River which was supposed to be protecting the outside of Babylon was diverted by Cyrus's army so that it would be dry enough for them to walk through to the open gates that were left open.
Answer:
tributary
Explanation:
A tributary or affluent is a stream or river that flows into a larger stream or main stem river or a lake. A tributary does not flow directly into a sea or ocean.