1.a sally into a neighboring country
2.annex neighbouring country's territory
3.levy war against a neighboring country
4.Encroach on the territory of a neighboring country
5.encroach on [upon] the territory of a neighbouring country
6.Until to him every one of the neighbouring nations
7.They began to open commerce with neighboring countries.
8.They reached an accommodation with neighboring countries.
9.Powell is currently in neighboring Jordan.
10.annex territories of a neighbouring country by force