Imperialism has played a significant role in history.

The United States armed forces have bases all over the world.

He was working as a military surgeon.

He received training in the navy and army.

The history of the British Empire is very interesting.

He belongs to the defense force.

The Salvation Army is conducting charitable activities around the world.

This decoy army strategy was used to confuse the enemy.

In a historical context, puppet armies were often manipulated by major powers.

The Mongol Empire reached its peak in the 13th century, and its territory extended from Europe to Asia.