I wonder, how has that worked in the past? Beyond that, what's the rate of return relative to any other investment we might have made with $2 trillion? For co

I wonder, how has that worked in the past? Beyond that, what's the rate of return relative to any other investment we might have made with $2 trillion? For comparison, what would it cost to eradicate hunger? Estimated at about $30 billion a year. I wonder what that would have meant?