Which provision was included in johnson's reconstruction plan that had not been included in lincoln's?
a. exclusion from office of aristocratic southerners who had been part of secession
b. exclusion from office of ex-confederate officers who had served during the civil war
c. oath of loyalty taken by an equivalent of population to 10 percent of those who voted in the 1860s
d. automatic conference of voting rights for all freed slaves in the state