to take advantage of affordable land prices
to take advantage of abundant resources
to take advantage of lower labor costs
to take advantage of favorable tax laws
Answer:
Even as Rome was under attack from outside forces, it was also crumbling from within because of a severe financial crisis. Constant wars and overspending had significantly lightened imperial coffers, and oppressive taxation and inflation had widened the gap between rich and poor. In the hope of avoiding the taxman, many members of the wealthy classes had even fled to the countryside and set up independent fiefdoms. At the same time, the empire was rocked by a labor deficit.
Hope this helps
--Jay
It made it easier for slaves to harvest cotton