What about phoenician geography made them rely on imports and exports select all that apply?

The attributes of the Phoenician geography that made them rely on imports and exports are the following:

their lack of farmland

their close proximity to the Mediterranean  

Since they were lacking farmlands, it was hard for them to produce their food that would be sufficient for all the people so they relied on imports.

the answer is )multiethnic

a.

congress passed laws allowing for free passage between states.