No
(New respondent)
He opposed slavery. And he was 'Sumner', not 'Summer'.
No
oppose - mean support - needed it
nope.
the Republican Party
David says he supports it. Charles remains silent.
The South favoured slavery
The norther opposed to slavery because
no
Neither of the two were opposed to slavery.
Slavery
yes, they did oppose.
The term is "abolitionist".