What was a rationale used by Congress to enact stricter sentencing for crack cocaine offenders?

Crack cocaine contained multiple illegal substances.

Crack cocaine users were repeat offenders.

Crack cocaine was more addictive.

Crack cocaine was more expensive.

One of the rationales used by Congress to enact stricter sentencing for crack cocaine offenders was the belief that crack cocaine was more addictive than powder cocaine. This belief was largely based on the pharmacological effects of crack cocaine, which could lead to a more intense and rapid high compared to powder cocaine.