i think that the answer is c, but i just want to make sure. any would be appreciated.
which of the following is one way that soil can be managed properly?
a. over-irrigate crops.
b. remove all the topsoil from the area.
c. rotate the crops.
d. plant the same crop in the same field, year after year.

The truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey