This bloody past suggests to us that enemies cease hostilities only when they are battered enough to acknowledge that there is no hope in victory - and thus that further resistance means only useless sacrifice.
I don't believe, in the 21st century, in the balance of power system. This is a European idea of the 19th and 20th centuries.
The success my children have had has helped me immensely. I've showed them a certain respect for this career.