Complex sentence: Re-settling these people in the Assyrian homeland would have undermined the powerbase of the Assyrian Empire if they would rebel again as a result, Assyrian deportation involved removing one enemy population and settling them into another.
Split into simpler sentences: Re-settling these people in the Assyrian homeland would have undermined the powerbase of the Assyrian Empire if they would rebel again. As a result, Assyrian deportation involved removing one enemy population and settling them into another.