挑战
The rise of China and the resurgence of Russia have challenged the idea that liberal democracy is the only viable form of government.
The great challenge of modern politics is to reconcile the demands of identity with the requirements of liberal democracy.
The rise of China represents the most significant challenge to the liberal international order since the end of the Cold War.
The great challenge of our time is to build institutions that can manage the complexity of modern societies.
The great challenge of the modern world is to create institutions that are strong enough to govern effectively but also accountable and responsive to the needs of citizens.
The challenge for modern states is to maintain their legitimacy while also being effective in providing services and maintaining order.