Answer:
The trends in terrorism and extremism are only one part of this problem, and part of the lack of any clear grand strategy that can offer the U.S. a credible probability of lasting victory in its wars – if "victory" is defined a stable, friendly postwar state. They are, however, as important and revealing as the trends on the battlefield, and they reveal major global and regional challenges that go far beyond today's wars.
Step-by-step explanation:
Well, one thing all wars have in common is that there's a conflict between what's someone's done to another county or it wants something from it such as land, trade, etc..