They should not intervene in the internal affairs of another country.

The invasion of other countries is a shameful action.

The invasion of other countries is a shameful action.

We have to defend our country from the foreign aggression.

No sooner had the spy returned home than he was told to go to another country.

No country should interfere in another country's internal affairs.

To have the ability to understand foreign culture, we should all learn a foreign language.

It might be a bit difficult for foreigners to understand Japanese. Even Tom misunderstood it at first.