The USA and most places around the world won't be able to stop this from spreading. Too many people have the virus and the only way to stop it spreading is a complete lock down for at least a month. And nobody in the US wants to do that, not even the sick president, so you lot are screwed.
-----------------
In Australia. . .
Are restrictions being put back in place?
In Victoria and New South Wales (NSW), yes. In other parts of the country no.
Is there a lockdown?
In Victoria and NSW there is but the rest of the country has partial restrictions but no lock down. This is due to low or no cases.
Are most people wearing masks in public?
In Victoria it is compulsory to wear masks in public, the rest of the country doesn't have to.
Are restaurants open?
Not in Victoria and some place in NSW are closed but everywhere else it's open for business.
Are there fines for noncompliance?
Yep, big fines and even prison time for people breaching the laws.