31. The cattle boom ended because a. many herds became infected with Texas fever.
B. American Indians left their reservations and attacked ranchers and killed the cattle.
C. sheep were more successful on the Great Plains.
D. there were too many cattle and the open-range declined due to barbed wire.
32. free Enterprise system is
A. Both government and citizens are partners in the economy
b. Complete privatization of economy
C. Coalition of government, bankers, and other industrialists.
d. National government regulates the economy
33. Which of the following scandal: did NOT involve President Grant's administration?

A. Grant's vice president, Schuyler Colfax, and members of Congress accepted bribe:
support the silver standard.
B. Crédit Mobilier's gifts of stock to members of Congress, which resulted in profitable
subsidies for stockholders.
C. Treasury Department officials accepted bribes from whiskey distillers and distributors.
d. Jay Gould and Jame: Fisk': attempt to corner the gold market.
Please help
Just write the number and the answer thank you