D
Native Americans did not have Europe's more advance medicine.
The operation that requires independent actions involving a high degree of professionalism, self-discipline, flexibility, patience, and tact is the peacekeeping operations.
Thus,
the answer that we are looking for is stated clearly and correctly, it is the peacekeeping operations.
Water has a higher heat capacity than soil and rock, so the ocean takes much longer to heat and to cool than the land. Coastal areas will generally have more moderate temperatures than inland areas because of the heat capacity of the ocean.
