Why did lincoln say, "i have no purpose, directly or indirectly, to interfere with the institution of slavery in the states where it exists. i believe i have no lawful right to do so, and i have no inclination to do so"?

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.