The French concentrated in exploring Canada because they already had forts in it in Quebec and in other parts of Canada, also there wasn't too much fighting over Canada except for the British so they decided to explore Canada.
D is your answer. it gives a more specific answer than the other choices, plus it is true. Slavery has been around since Jesus time, so that's way longer than the 1500s
<span>That might for instance be a narrative form, focusing on the thoughts and motives of the principal persons involved.</span>
Member of a constituency.