What law in the 1980s law mandated minimum sentences for federal drug convictions?

The law that mandated minimum sentences for federal drug convictions in the 1980s was the Anti-Drug Abuse Act of 1986. This legislation established mandatory minimum sentences for various drug offenses, significantly increasing the penalties for possession and trafficking of certain controlled substances. The law aimed to combat the growing drug epidemic but has been criticized for contributing to mass incarceration and disproportionately affecting minority communities.