It may be because egyptian woman's place in society was respected and used as opportunity.
I'm not 100% sure but I hope this helps you!
The demand for slave increased because Growing rice required much labor, and the demand for slave labor rose. both have something to do with money.
Invasions of people--many of the groups came as military and fought the Romans as invading forces.
Counterclaim--they were migration patterns as they were attempting to gain access to an empire with advanced trade and education. Migrating to the Roman Empire gave a person or group with extra resources.
The answer is B) because your not using any criminal code or doing anything wrong when it's the other persons fault it doesn't have anything to do with trying to address public safety so yeah its B). Process of elimination! Hope I helped!