Who was a famous conservationist who traveled the west and advocated for protecting wildlife? A: John Muir

B: John Wesley Powell

C: Rachel Carson

D: Woodrow Wilson

John Wesley Powell

Explanation:

John Wesley Powell is an explorer, geologist, anthropologist, and conservationist. John Wesley Powell has dicovered many secrets of the  Southwest more than a hundred years ago.

the installment plan of the 1920s, an arrangement that allowed people to buy what they wanted with a small down payment and pay off the rest in monthly installments, provided americans a way to own what they did not have the money to buy.

less available tax revenue

this basically means that when they get money from taxes wirth having a lower gdp they get less then what others have with a higher gdp