The image below shows a sign celebrating the release of the 52 American hostages from Iran in 1981.

Black and white image with an American flag in the background. A group of people are unveiling a sign that reads: 444 days in captivity, free at last, free at last.
© Jan Lukas/ImageQuest 2019

What does this image illustrate about diplomacy as a response to international conflicts?

It often results in war.
It negatively impacts trade.
It can take a long time.
It does not have international support.