Answer:
Britain
Explanation:
Britain abolished slavery throughout its empire by the Slavery Abolition Act 1833 (with the notable exception of India), the French colonies re-abolished it in 1848 and the U.S. abolished slavery in 1865 with the 13th Amendment to the U.S. Constitution.
A:Italy
B:France
C:Great Britain/U.K
D:Soviet Union(or Russia depends on how the answers are)
E.Poland
F.Germany