Because Emperor Nicholas allied himself with their enemies, the Grays, they found Earth far earlier than they otherwise would have.

Napoleon came to regret accepting this appointment when Bernadotte later allied Sweden with France's enemies.

"The humans have allied themselves with your ancient enemies," Sirix said.

They had not been informed, in so many words, that we were allied with our former enemies.

Is that allying themselves with the King's enemies?

Nonetheless, by allying with their enemies against each other, they managed to keet the island under their control.

Whenever a faction became too powerful, the Syrians would ally with the faction's enemies and crush it.

They agreed, and in 1813 he allied Sweden with Napoleon's enemies of the Sixth Coalition in order to secure this.

Sultan Ibrahim challenged al-Zubayr who allied himself with his former enemies the Egyptians.

Rome might well have deliberately sought a new war with Samnium by allying with her enemies.