No (New respondent) He opposed slavery. And he was 'Sumner', not 'Summer'.
Charles Summer has written: 'White slavery in the Barbary States' -- subject(s): Slavery 'International law' -- subject(s): Trent Affair, 1861
Charles Summer
oppose - mean support - needed it
The South favoured slavery
The norther opposed to slavery because
no
Neither of the two were opposed to slavery.
yes, they did oppose.
Slavery
The term is "abolitionist".
Oppose Slavery