Athenian: direct democracy, only male citizens can vote, elected leaders form laws
Modern: representative form of democracy, all citizens can vote
The colonies provided raw goods to their home countries. These goods were refined by the homeland then sold back to the colonies. The colonies were not allowed to refine goods or sell certain expensive/important goods (such as tobacco) to other countries (although this was not enforced very heavily until the late 1700s). So in conclusion, the role the colonies played was to provide economic benefits to their mother country.
You haven't listed the choices.
The correct one will be the number with the biggest absolute value ...
the biggest number when you take away all the plus, minus, BC,
BCE, AD, CE, and all that stuff. Just the biggest number, period.