Earlier quoted context omitted.
The point is to get people in those contries to overthrow their leadership. And if your're someone sliding into nasty leadership / government situation you have to realize there will be a consequence to that and that the perception of the ruling party can never be separated from the perception of the people.
> point is to get people in those contries to overthrow their leadership This works about a third of the time [1]. What does is incentivising domestic policy changes. We saw that with the nuclear deal. But then Trump blew it up because Obama did it. (On another level, sanctions degrade capability. If there is no room for peace, at least you can limit your adversary’s economy and thus martial production. If regime cha…
Sanctions punish ordinary people, many of whom are already suffering under the regime. So they end up opposing both an internal and an external enemy. In the long run, sanctions probably destroy and cost far more lives than wars. It's a sadistic way to try to crush an enemy.