Although Opposed to Slavery, Lincoln Knew That an Outright Ban

Although opposed to slavery, Lincoln knew that an outright ban would not work, so what did he try to do instead?

A) Initiated a program of weaning the south off slavery
B) Asked for each state to propose their own plan
C) Used intimidation tactics, which backfired
D) Initiated a policy of no slavery in any new territory
E) Was waiting for Congress to intervene