According to Oakes, how did Lincoln justify the idea that the federal government would compensate masters for the loss of their property?

a) The offer of compensation would make the remaining slaves states hesitant about leaving the Union.

b) The offer of compensation would result in masters’ unwillingness to support and enact an emancipation statute.

c) The offer of compensation would make the border states join the Confederacy.

d) None of the above