If a citizen owned a slave, he or she could free him / her. The Wikipedia article gives some reasons for doing this: Slaves were freed for a variety of reasons; for a particularly good deed toward ...
Did the roman conquerors have directives/guidelines to either integrate or assimilate foreign tribes/folks?
It is likely that Romans made no distinction between today's terms integration and assimilation. They did everything that was necessary for the expansion of the Roman empire and worked from ...