Voters in several states are deciding marijuana initiatives Tuesday.
In Alaska and Oregon there are measures that would legalize recreational use.
And if Florida voters approve Amendment 21, it will become the 24th state to allow medical marijuana.
This movement to end restrictions on pot isn't limited to the U.S. In Uruguay, marijuana sale and possession is legal.
And Chile is now allowing cultivation for medical use. It's also allowed a Chilean woman, who is terminally ill, to import a cannabis-based medicine from Europe.
The BBC's Gideon Long has this report.