Answer:
Not freeing the slaves in those states, just in the areas rebelling against the Union
Explanation:
Look at https://www.timetoast.com/timelines/japan-s-industrialization-and-modernization
It paved the way for discovery, Colonization, And honestly it helped almost all of the world be discovered and identified along with the idea's of age old nations that the european's didn't even know about like rome and such to have a profound affect on there culture and way of life
The Great Schism - separation of the Orthodox and Catholic church into two churches, each promoting a different 'brand' of christianity
Political separation and tension between Eastern and Western Europe, as countries picked which church to follow
Creation of the title Ecumenical Patriarch for the head of the Orthodox church.
Raised tensions between Byzantium and Rome.
etc.
