But if it turns out that the new law is likely to gut the existing benefits of millions of retirees, it could trigger a political backlash that might threaten much-needed reform.
The Saudis, while supportive of the US, are fearful that aggressive action against Isis could trigger a backlash among its own Sunni extremists.
The Republicans have threatened to impose new sanctions, which could trigger a backlash from hardliners in Tehran who have been equally critical of the negotiations.
Aaron David Miller, a former US negotiator on the Middle East and now a scholar at the Wilson Centre thinktank, said Obama's 11th-hour attempt at legacy building on the Israeli-Palestinian issue could trigger a backlash.
In an email interview Peter Brimelow, founder of the webzine Vdare.com, which alleges Mexican plots to remake the US, said Trump's failure to deliver "important bones" could trigger a backlash.
Other grassroot Muslim activists, however, fear the oxygen of negative publicity trailing the high-profile Yerima, coming most vocally from non-Muslims, could trigger a backlash among conservative, rural Muslims.
The Chartered Institute of Environmental Health (CIEH) is urging consumers to continue to shop for food with reusable "bags for life", fearing that worries about the food poisoning risks could trigger a backlash and even a resurgence in the use of thin plastic bags.
A protracted war in the Balkans involving U.S. ground troops and significant casualties could trigger a backlash by the American people against those who had been the most vocal in supporting U.S. intervention.
(Facebook has since counter-sued). Cuban wrote at the time that he is rooting for Yahoo because he thinks a big win against Facebook could trigger a backlash against the current patent system and spur real reforms.
It could trigger a global financial crisis.
If they refuse, it could trigger a legal review.
