By 1730, the issue of southern border defense had become an even more vexing and contentious one.

Work was going slowly since General Chandler had pulled away most of the Engineers to help in the border defense.

The central government would control border defense, foreign affairs and oil revenues.

He was well known for his knowledge about politics, warfare, agriculture, economics, border defense, and frontier management.

After the war, both China and Vietnam reorganized their border defenses.

Not like a Phantom fighter, which would be shot down immediately by the Israeli border defense.

Thus, the Rangers assumed an expanded role of border defense.

"Captain, won't this concentration leave border defense in jeopardy?"

The agreements announced tonight did not specifically settle that question, nor the issue of a common border defense.

Part of the border defense (ditch, bank and palisade) has been reconstructed here.