Answer:
Correct answer is a. fertile soil and fresh water source near the St. Lawrence river
Step-by-step explanation:
A is correct because this is the area with the best climate that allows people to live more comfortable life.
B is not correct as remaining on Natives are living in northern areas.
C is not correct as oil resources are spread across the country and in the oceans.
D is not correct as trading developed after the cities were created here.