Why are disputes over clean water sources taking place at greater frequency?

A. Frequent disagreements arise between different cultures that share a water supply over perceived misuses of the precious resource.
B. Regions with good, reliable sources of water keep out interlopers and guard their water with surveillance equipment and border patrols.
C. Arguments with neighboring states sometimes result in the people upstream retaliating by pouring toxic chemicals in the water.
D. Changing climate spurs mass migrations, creating conflicts as the newcomers compete with the inhabitants for limited water resources.
Is the answer B?

3 answers

Yes, B,

It is not B.

it is D, i took the test and got it correct