Answer:
Correct answer is b. locate new sources of fur .
Step-by-step explanation:
B is the correct answer as the trade of fur in North America was one of the most economically profitable jobs at the time. British were the once that established their base in the Hudson Bay and the French started opposing them. French started building their own fortress in the valley of Mississippi which even led to wars between them. The last great was French and Indian war.
All other options are not correct as were not a part of the French explorations in this period.