It suffered for a reason.
I sold men into SLAVERY.
Game of Thrones Season 3, Episode 5
And my perspective
is that SLAVERY is bad.
The Big Bang Theory Season 6, Episode 6
They do not ask for the return of SLAVERY.
Game of Thrones Season 5, Episode 1
he sold himself into SLAVERY
to repay his debts.
Game of Thrones Season 5, Episode 7
Because if Meereen succeeds,
a city without SLAVERY,
Game of Thrones Season 6, Episode 9