Depending on the time, it could be the Phoenicians ( I think this is the best answer; this is what they're known for best) or later in time, the Romans (but they had colonies also elsewhere).
Peace was to be established after the commencement of World War I. Hence Peace conference was held and more than thirty countries participated in it.
It was also called the Versailles peace conference and it also denoted the end of the wold war I.
Treaty possessed a cruel statement which Germany loathed. It was asked to pay huge amount as restitution expenses which created huge panic and tensions that lead to instability of German economy.
