Im not 100% sure but the answer "A. states had emerged as the uncontested authority in Europe" Seems the most reasonable. Its either A or D But i would pick A
It is glaciation * if this helped you in anyway please be sure to leave a thanks:)
Answer:
Baby boomers and Generation X
Explanation:
Pollution started in the 1950's through 1970's
Boomers where born in 1946-1964
Generation X where born in 1965-1979
Also The Silent Generation helped start the idea of pollution, but generations after that continued to pollute and that's when the environment went down hill.
The answer is conversation
Pls mark brainliest if this helped
