By 1856, which kind of voting restrictions were permanently removed in states?

a. racial restrictions

b. gender restrictions

c. age restrictions

d. property ownership restrictions

By 1856, property ownership voting restrictions were permanently removed from the US. This was limited to white males in all states of the country, although some states allowed non-white Americans to vote. If you were a non-white American at the time, the property ownership voting restriction still applied.

D. property ownership restrictions