Better not tell the Americans - they have invaded countries for less.

They invaded other countries in order to get more territory for their country.

"And he is against this plan to invade my father's country?"

That there is a price to be paid for invading other countries?

They'd been more junior, most of them, when Iraq had invaded his country.

"Instead of killing each other, we take common cause to kill those who invade our country."

A country can only invade countries with a shared border.

"They invaded your country to force you to release those prisoners."

We had no oil, and that led us to invade other countries.