There is only a small step to make from “Mandatory Vote” to “Mandatory Vote for this guy”. And yes that was tried here in parts of the United States before, where if you could come up with the money to pay the poll tax, and pass the literary test, and dared to show up to vote, you better vote for the Democrat on the ticket or you would be targeted by the KKK or have your house or church burned.
Read, Setting the Record Straight: American History in Black & White by David Barton, to see what kind of hell messing with our freedom to vote or not vote can lead too.