I would say that D is the most important reason ie to monitor the location and magnitude of seismic activity to attempt to find patterns which may lead to the ability to predict the next earthquake in the world though individual seismic stations probably monitor more the seismic activity in their own country mostly though perhaps not exclusively.
Answer:
Under the compromise, every enslaved American would be counted as three-fifths of a person for taxation and representation purposes. This agreement gave the Southern states more electoral power than they would have had if the enslaved population had been ignored entirely
This is an absolute address of a place, which means that you can find this address without knowing anything else, such as addresses of other places. (so the answer is: absolute address or absolute location of a place)
Another kind of address would be be a relative address, such as "to the left of the school"
The answer is United States
C. Having a low standard of living
