Water usage in the united states has fallen sharply during the last fifty years increased slightly during the last fifty years remained steady during the last fifty years tripled during the last fifty years

Remained steady during the last fifty years

Water usage in the United States has remained steady during the last fifty years as indicated in the nation’s water use chart from 1950 to 2010. It was also noticed that the Nation's water use peaked in 1980 and has been fairly constant since then. It was remarkable because, despite an increase in population, industry, and irrigation, water use has not risen.

would not cooperate with each other voluntarily.

explanation:

the answer is the huegonots.