| Answer | Crossword Clue |
|---|---|
| LSD | The U.S. banned it in 1967 |
| LSD | The U.S. banned it in 1968 |
| DDT | Insecticide banned by the U.S. in 1973 |
| ULYSSES | Novel banned in the U.S. until 1933 |
| PCB | Pollutant banned in the U.S. in 1979 |
| PCBS | They've been banned in the U.S. since '79 |
| ULYSSES | Classic novel banned in the U.S. until 1933 |
| DDT | It's been banned in the U.S. since 1972 |
