The big war everyone feared was not between rival nations, but rival worlds.

The largest groups may even receive indirect support from League governments interested in disrupting local, rival nations.

Consulting the Lord, she learned that the children were to found rival nations, with the elder serving the younger.

The rival nations have not been linked by bus service for more than 30 years.

Nearly 40 years ago, mankind's first steps off its planet began as rival nations sought to prove their superiority.

In Kelowna it is used to construct weapons of mass destruction for a cold war against two rival nations.

The result is that the Race has very little experience with diplomacy between rival nations on Earth.

Education grew but not as fast as in rival nations.

He could not tell what I meant by secrets of state, where an enemy, or some rival nation, were not in the case.

Some spies are double agents, working for two rival nations.