We should unite together to fight against this problem.

This is a result of combined efforts.

This joint is formed by the union of two bones.

Let's go to Lianhe Village and have fun!

The United Nations is an international organization.

The European Union is an important union.

This federation is committed to promoting international cooperation and exchange.

The United Kingdom is a country in Europe.

We must establish a united front to resist foreign aggression together.

This country needs a stable coalition government to solve political issues.