Answer:
in the past our survival instincts were higher and we were likely more adapted to require less water, nowadays we tend to rely on water more as well as the accessibility of it, an example of this dependability is when snow or cold temperatures cause the water to freeze leaving people with a shortage of water, this affects people greatly, much more than it would have in the past likely
Amu Darya and Syr Darya rivers
They are more aware of their behavior and less concerned with what others think
The bill of rights was in the constitution, which was for the whole country. so i believe the answer would be d. national
