Its frontier areas are largely wild and barely inhabited stretches of desert and jungle.

ECONOMIST: Old Bolivian customs

We will deepen our ongoing cooperation in frontier areas of science and technology, nuclear power, and space.

WHITEHOUSE: President Obama and Prime Minister Singh Press Conference

A. won by a large margin in the North-West Frontier Province, one of the conservative areas bordering Afghanistan, and succeeded in forming a coalition government in Baluchistan.

NEWYORKER: Days of Rage

The UK Foreign Office has now warned British citizens not to travel to Pakistan and for those in North-West Frontier Province, Baluchistan and the Northern Areas to leave immediately.

CNN: UK supports bin Laden theory

The victims comprised of an assistant police sub-inspector and three members of the Frontier Corps, a paramilitary force which uses recruits from Pakistan's tribal areas and is overseen by Pakistani army officers.

CNN: Suicide attack kills 4 in Pakistan

The prominence given to mayors at the convention is also a reminder that, for all the amber waves of grain and frontier nostalgia, more than four out of five Americans today live in urban areas.

ECONOMIST: Democrats give cities their due respect

"From supporting the training and finances of an Olympic athlete to building industrial parks and helping Cambodia become a leading rice exporter, we want to invest in areas that Cambodians take pride in, " said Marvin Yeo, the co-founder of Frontier Investment Partners.

CNN: Cambodia's athletes seek a better playing field

Afghanistan is also thought to be seeking security guarantees to protect its porous borders, including the frontier with Pakistan that is the main infiltration route for insurgents who retain sanctuary in Pakistan's lawless tribal areas.

NPR: 7 American Service Members Killed In Afghanistan