They have reasserted control in isolated areas of Afghanistan such as Nuristan Province, a mountainous region north of Kabul and adjacent to Pakistan.
Sunni Iraqis, especially in volatile areas such as Anbar province, will have to be incorporated into the political dialogue and provided jobs, experts say.
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Afghan soldiers are given little leave, and can be posted to hotspots such as Helmand province in the south for years at a time.
Sunday's shooting wasn't the first such incident in Kandahar province.
CTV, a private television station, reports that such facilities in Quebec province are often overwhelmed at weekends when prisoners arrive to serve short sentences, which can lead to some overcrowding.
Yet if they are failing to tackle deep-seated problems across the province, such as segregation in housing and education, they are leading by example: their political co-operation has gone hand in hand with remarkably improved personal relations.
The Basques have no such worries: each Basque province and Navarre collect their own taxes and hand over less than 10% to the central government in Madrid.
Most election violence in Pakistan takes place in the north-west of the country and secular parties such as the ANP, in power in Khyber Pakhtunkhwa province, and the ruling PPP have borne the brunt of such attacks.
Such arrangements were allowed by the province's 1991 Arbitration Act and could carry the force of law.
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That's the province of handset manufacturers such as HTC, or service providers such as Sprint and Telecom Italia.
Formerly known as machine-to-machine communication, IoT until recently has been the province of large companies such as Microsoft and Cisco seeking to stake their claims to the technology.
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Such questions make their advisers in the province blanch.
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Canada's Supreme Court ruled that the province has the right to make such laws.
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American garrisons in places such as Gardez, the capital of Paktia province, already labour under rocket attacks.
Bankrupt regional governments started to pay their workers in scrip, such as the patacones issued by Buenos Aires Province.
One such, a girl from north-eastern Liaoning province, lies in bed, a drip attached.
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Correspondents say this is the first such incident since the Nato-led peacekeepers entered the province last June.
The birds in Xizhou, a charming town in Yunnan Province in extreme southwestern China, had no such restraints.
Some blame bad weather, such as the October floods in China's Hainan province, which damaged crops and helped raise food prices.
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On Monday around 60 school girls were taken ill with similar symptoms in a neighbouring province, Parwan, the scene of another such incident in April.
Warlords such as Ismail Khan, operating out of the western province of Herat, siphon off customs revenue at source, sending only a fraction of the receipts to Kabul.
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Such violence is a common problem in the volatile Khyber Pakhtunkhwa province, which, like Quetta's home province of Balochistan, borders Afghanistan.
Some might opt to avoid very expensive cities, such as Beijing or Shanghai, for up-and-coming smaller urban centers such as Chengdu, the provincial capital of agriculturally fecund Sichuan province.
Almost immediately, the Acehnese began fighting to regain their independence and, in 1959, after repressing a big uprising, Sukarno gave the province a special status, conferring autonomy in areas such as education and religion.
The government has established state-owned enterprise zones such as the Chengdu Internet of Things Technology Institute in Sichuan province, which is developing a health care system in which rural villagers can step into a telephone booth-sized "health capsule" to get a diagnosis and prescription from a doctor in a distant hospital.
It used to be such simultaneously strange-looking and high-tech gadgets were the province of British spies or Batman villains.
Two weeks ago hundreds of such zealots briefly took over Hawta, the capital of nearby Lahej province, due north of Aden, only to melt away a day or so later.
Liaoning province has also enjoyed an influx of foreign investment in areas such as electronics and car parts, led by businesses from nearby South Korea and Japan.
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