The phrase "sweeping support" is correct and usable in written English.
It can be used to describe broad or extensive backing for a particular idea, initiative, or policy.
Example: "The new environmental policy received sweeping support from both the public and private sectors."
Alternatives: "broad support" or "overwhelming support."
Vladimir V. Putin, then Russia's president, offered sweeping support for U.S. operations in Afghanistan, including help in securing bases in Central Asia.
Meaningful action against climate change has received sweeping support from prospective Democratic nominees.
In a speech in March, when it was apparent that the Chinese bank had won sweeping support from U.S. allies, Treasury Secretary Jacob L. Lew said the U.S. stood ready to welcome the new international institution, provided that it "share the international community's strong commitment to genuine multilateral decision-making and ever-improving lending standards and safeguards".
The sweeping support enjoyed by President Bush's anti-terror policy has dissolved on the Continent.
In Chile, the sweeping support for Michelle Bachelet did not extend to her coalition's choice to succeed her.
The sweeping support on Nov. 2 for amendments to state constitutions defining marriage as between a man and a woman should come as no surprise.
That piece of legislation took 65 rewrites over the course of a decade, but it passed the House with sweeping bipartisan support, drawing only a single dissenting vote.
Yet Cameron has run the most radical government of our lifetime – cutting the state, sweeping away support for the weak, denuding local government, gifting millions to their folk to set up free schools, selling the NHS to private firms, privatising Royal Mail, tripling fees to make universities effectively private, replacing a million lost public jobs with pre-unionised lump labour.
Designed by famed Swiss architecture firm Herzog & de Meuron, the stadium has been nicknamed the "Bird's Nest" for its distinctive, sweeping exterior support structure.
More often than not, clashes centered on personalities (including a former member of both, Edward I. Koch) rather than ideology (both support sweeping gay rights, abortion rights and gun control).
Mr. Schwarzenegger told reporters at a fire-safety event in Davis, Calif., that he did not support sweeping legalization, but that more information would help.
