Over what ideas did antislavery reformers disagree?​

Well for one, the abolitionists/reformers put forward various arguments to support their cause of banning the slave trade. ...

Some argued that British industry no longer depended so heavily on the slave trade. ...

Slaves were denied their freedom and their human rights. ...

& of course The Bible taught that people should treat each other with kindness and love.

abraham lincoln  (february 12, 1809  – april 15, 1865) was an american statesman, politician, and lawyer who served as the 16th  president of the united states  from 1861 until  his assassination  in april 1865. lincoln led the nation through the  american civil war, its bloodiest war and its greatest moral, constitutional, and political crisis.[2][3]  he preserved the  union,  abolished slavery, strengthened the  federal government, and modernized  the u.s. economy.

pope john paul ii ( his real name is karol wojtyla) and lech walesa ( the leader of the solidarity movement ) were both born in poland.