Glad you brought that up. Debt/GDP is about where it was at the end of WWII. What differs now is the will to respond. That generation tightened their belts and raised taxes as high as in the 90% range for top tax brackets.
That generation also could cut government spending by 60%, since, y'know, they could just turn off the war economy they'd been under for the past four years. It's a lot harder to turn off entitlements.
Religious people are more generous than secular people with nonreligious causes as well as with religious ones. While 68 percent of the total population gives (and 51 percent volunteers) to nonreligious causes each year, religious people are 10 points more likely to give to these causes than secularists (71 percent to 61 percent) and 21 points more likely to volunteer (60 percent to 39 percent). For example, religious people are 7 points more likely than secularists to volunteer for neighborhood and civic groups, 20 points more likely to volunteer to help the poor or elderly, and 26 points more likely to volunteer for school or youth programs. It seems fair to say that religion engenders charity in general — including nonreligious charity.
Religious practice by itself is associated with $1,388 more given per year than we would expect to see from a secular person (with the same political views, income, education, age, race, and other characteristics), as well as with 6.5 more occasions of volunteering.
And the source.
It is also not a given that it is even possible.
I'm something of an optimist, but the history of humanity and technology suggests that, in the long run, "it's impossible" is the worst bet you can make.