I would have to say the answer is C. There were no slaves, Chicago's climate can get cold, and they are all cities (not a lot of farmland), but they are all on waterways.
Explanation:
COMESA's main aim is to develop trade, it is a regional organization for Eastern and Southern Africa
Answer:
the illegal movement of children, typically for the purposes of forced labor or sexual exploitation
Answer:
Tell the situation to the person involved in the schedule before taking care of your personal emergency.
Explanation:
When making a schedule with other people, informing others in case we are suddenly unable to fill the schedule is considered as a social norm in almost all society.
If you decided to take care of your personal emergency without informing them, they will most likely become offended and you will damage the social relationship that you have with them.