They use a system called "Checks and Balances".
That's wrong it's "The governor refused to raise a force to drive the Indians from the western Virginia frontier." I took the test.
Negotiation is the main output. They should join the countries that have been victims of this group and seek solutions through peaceful means. The above is achieved with sufficient commitment. It is a titanic task but not impossible. The largest number of nations in the world must be allied to coordinate actions of a military nature. One can also think of a diplomatic solution to the eventual failure due to possible military action.
Leapords cannot change their spots. Humans can't change their eye colour. So no.
