We would travel just like people did before cars. If you want to leave out trains too, almost nobody would travel more than 50 to 100 miles from their home in their entire life.
people would be crowded by horses droppings
nothing
we would die
You would die
you would blow up
what would happen if the 8th amendment didn't exist
plants will die
you die
?
Death.
we have freedom
Nothing would happen. You either believe in them or you don't!