The correct option is A). Water Pollution Control Act.
The Federal Water Pollution Control Act of 1948 was the first major U.S. law which was launched to address the problem of water pollution.
With the growing public awareness and concern for controlling water pollution led to extension of amendments in 1972. After the amendments in 1972, the law became commonly known as the Clean Water Act (CWA).
So, in 1972, one of the most important environmental laws ever passed was the Water Pollution Control Act.
Learn more about the water pollution control act 1972 here:-
https://brainly.com/question/25616027
#SPJ1