Greece's debt

In ancient times the rulers of states prided themselves that under them, the state they ruled became richer.

Now, all rulers compete with each other to see who can get their state into more debt:

https://www.aljazeera.com/news/2018/05/greece-financial-crisis-repayments-interests-cripple-economy-180512152736163.html. 

For generations, Greek politicians who ruled Greece excelled in accumulating more and more negative wealth upon the Greek citizenry.

There lot today is an unmitigated disaster. The time is coming when no one is prepared to lend a dime to Greece.

When that happens, what do you think will happen?