What are some recommended solutions, and how would they be implemented?
For the Netherlands, I'd recommend halting all immigration & naturalization of non EU citizens. They are almost past the point of no return as it is..
Deport every muslim currently residing in the United States.
Stay out of Countries controlled by muslims or enter at your own risk.
Respond to terroristic acts of muslims by killing the religious leaders. The religious leaders do not believe in the trip to paradise and 72 virgins bullshit themselves. Else they would be first to strap on an explosive belt.
We are currently in a war that will have only one winner. A war that , in my opinion, the West including the United States, does not have the moral resolve to win. One side is going to exterminate the other. There will be no peace treaties. There will be no negoiated truces.