The phrase "and certainly the collapse" is correct and usable in written English.
It can be used in contexts discussing events, situations, or phenomena where a collapse is being acknowledged or emphasized.
Example: "The economic indicators were alarming, and certainly the collapse of the market was anticipated by many experts."
Alternatives: "and undoubtedly the downfall" or "and clearly the failure".
"And certainly the bravest".
"The economic crisis and the collapse of traditional parties certainly helped Syriza grow its influence, but it was Alexis Tsipras who catapulted the party," says Christoforos Vernardakis, professor of political science at Aristotle University of Thessaloniki and founder of the public opinion survey company VPRC.
In a rare fit of pique, the exasperated Greek finance minister Yiannis Stournaras recently lashed out at the IMF mission chief Poul Thomsen for insisting on the cuts, telling the envoy in no uncertain terms that slashing pensions and wages further would almost certainly lead to the collapse of a government widely seen as the last chance of keeping Greece inside the 17-nation euro zone.
Moreover, the one thing that would certainly lead to the collapse of the Pakistani state and an immense surge in extremist and terrorist strength would be if the Pakistani Army were to split and parts of it were to mutiny against the alliance with America.
Lower energy prices will certainly help, but the collapse in energy prices will also result in fewer jobs and possible layoffs in an industry that has contributed disproportionately to the job gains we've seen in recent years.
Certainly plenty of commentators are drawing direct comparisons between the current events and the collapse of the eastern bloc.
If the confusion and the collapse here aren't quite sublime, Ives still manages to soup up some sidesplitting disembodied images — he has certainly read his Joe Orton.
And the collapse last year.
Today's famine in Somalia can certainly be attributed to the collapse of government and the absence of democracy.
The Booker has certainly mirrored fashion - the collapse of the empire; post-modernist Victorian pastiche; New Age sentimentality.
