While getting even a single school to excel is challenging, the Alliance is proving that a system of public schools serving low-income, high-need students cannot only be successful, but truly exceptional.
Hard-line Shiites who resent America's military presence in Iraq often challenge his alliance with the United States, Dr. Shammary says.
Kaplan, like many other environmental advocates, also challenges the alliance's penchant for overstatement: whales will not be harmed, because their sonar allows them to avoid large objects; birds might be killed in the turbines, but at the rate of one or two per year; the turbines contain little oil, so a Valdez replay is impossible.
An attempt to form a centre-left alliance between these three parties, potentially capable of challenging the Likud-Beiteinu alliance, failed.
At the same time, it pursued a foreign policy aimed at challenging the U.S.-led alliance in the western Pacific Ocean.
Whether it is challenging the new trade alliance with the US or championing more ambitious climate policy, this kind of cooperation can bring real benefits for our country.
Just as challenging is the unprecedented alliance necessary to provide the economic resources and human capital to help Africa develop and maintain a long-term commitment to the pandemic and the orphans and other children put in danger by it.
The alliance is challenging a decision by the exam boards to raise the boundary needed to get a grade C between January and June, as well as what they claim was a failure by Ofqual to address the situation.
It added: "War, terrorism and the pressures of globalization are eroding democratic values, fraying alliances and challenging the ideals of tolerance and charity".
In the Middle East and across Asia, in Russia and Eastern Europe, even in Britain and the United States, war, terrorism and the pressures of globalization are eroding democratic values, fraying alliances and challenging the ideals of tolerance and charity.
