The Primary Reason for SALT I's Negligible Impact on the Arms

The primary reason for SALT I's negligible impact on the arms race was

A) widespread Soviet violations of the agreed upon limits.
B) widespread American violations of the agreed upon limits.
C) its failure to win public support in the U.S. and the Soviet Union.
D) widespread Soviet and American violations of the agreed upon limits.
E) its failure to limit the number of warheads that each missile could carry