The answer would be : b. Antipoverty reforms.
Hope this helps !
Photon
Checks and balances operate throughout the U.S. government, as each branch exercises certain powers that can be checked by the powers given to the other two branches. ... Within the legislative branch, each house of Congress serves as a check on possible abuses of power by the other.
Nomadic pastoralism is of far greater importance to many economies than the relatively small number of nomads would imply. Nomads produce valuable products like meat, hides, wool, and milk. Traditional pastoralism turns grasslands to economic advantage.
