How does the loss of vegetation on shore lines affect waterways?
a. decreased sedimentation
b. increased shorelines
c. increased erosion of water banks
d. none of the above

for short the answer is c. welcome

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.

i believe it would cause an increase of percipitation, though i could be wrong. so i would say b is the answer.