Our army will start the march tomorrow.

Our army marched on the enemy's city.

He used that information to threaten me.

He belongs to the American army.

His words carry power.

There is power in his words.

The power of this new engine is unbelievable.

Because of his color blindness, he has difficulty distinguishing between red and green.

The United Nations Environment Programme is providing solutions to global environmental problems.

He drew an equilateral triangle shape.