Late Roman emperors continued major and frequent offensive operations beyond the imperial borders throughout the 4th century.

He would reconstitute a Russia stretched to its imperial borders.

Under Kourkouas's leadership, the Byzantine armies advanced deep into Muslim territory for the first time in almost 200 years, expanding the imperial border.

This was demonstrated by the continued military operations and siting of fortifications well beyond the imperial borders.

Public support for Communists was also heavily dependent on their promise of restoring Hungary's imperial borders.

Then the ruthless new peoples arise, beyond the imperial borders or even within them.

With the imperial border sealed and troops posted along the line from Guerneville to Sacramento, the Wiccans won't force the issue.

Some allied units came from provinces within the empire, others from beyond the imperial borders.

The emperor and his advisors relied almost entirely on reports from the 17-odd "military" governors for their intelligence on the security situation on the imperial borders.

Forward-defence aimed at neutralizing imminent barbarian incursions before they reached the imperial borders.