Answer:
to keep the environment,animals and humans healthy and not rotten
Answer: B, as rivers carry sediment to the ocean, they can create triangular plains called deltas.
They were opposed because of the terrible living conditions but once times got rough in the 30s and the US was desperate , they began to become lenient because they needed the labor .
The hypothesis is #1 - if it is the holiday season (:
Mark brainliest if you wanna help a girl out lol