The conquest of Nagarkot in the foothills of the Himalayas in northwestern India was based on Muḥammad's policy of establishing secure frontiers.
At the time of his appointment, Russian influence was growing in Afghanistan, and Lytton had orders to counteract it or to secure a strong frontier by force.
Most of them were far inside Congo, because Mr Museveni really believes that the best way to secure his frontier is to change Congo's government.
Previously it had been thought that Bin Laden escaped south from Tora Bora into Pakistan, evading a blocking force of Pakistani troops and paramilitaries sent to secure the frontier.
During a visit to India by Xi Jinping, the Chinese leader, Chinese soldiers crossed a disputed border and camped in Himalayan territory that India considers its own, humiliating a man who had boasted he would secure the frontier.
A margrave was expected not only to secure the frontier but also to push it forward into Slav or pagan territory, as did Gero, the Billungs, the margraves of Meissen, and Albert I (the Bear).
In the meantime, the British North America Act (1867) had created the Dominion of Canada, and the new Canadian government was able to call up 13,000 volunteers to secure the frontier of Ontario and Quebec.
Alexander married Henry's sister Joan in 1221, and after he and Henry signed the Treaty of York in 1237, Henry had a secure northern frontier.
This, coupled with Qi and Tan's efforts to secure the frontier, brought a period of relative peace along the border.
In a letter to General Stephen F. Austin dated October 15, Dimmitt proposed an attack on Fort Lipantitlán, whose capture would "secure the frontier, provide a vital station for defense, create instability among the centralists, and encourage Mexican federalists".
