Answer:
A.) a history of European colonization in the region
I hope I helped! ^-^
The answer is D i believe
If you look at options a and c, you can see that they are the same, and since we're probably expected to choose only one option,we can reject both of them.
Not going at all is not a good option- then you'll never get to know them better.
So b is the best option- if you don't get along you can always talk to other people