Esperanto is one of the most well-known international auxiliary languages.

He is an expert in international law.

The history of the International Communist Party had a significant impact on world political history.

He joined the demonstration while humming The Internationale.

He is an expert in international relations.

He is called a 'kid's room uncle', and is alienated from society.

He is undergoing training for extravehicular activity.

He engaged in an extravehicular activity from the spaceship.

He is receiving a basic living stipend.

The European Union is an organization for the economic and political integration of European countries.