Convergent boundaries form strong earthquakes, as well as volcanic mountains or islands, when the sinking oceanic plate melts. The third type is transform boundaries, or boundaries where plates slide past each other, forming strong earthquakes.
These are the 6 insurgent strategies:
1. Urban
2. Military focused
3. Protracted popular war
4. Identity focused
5. Conspiratorial
6. Composite and coalition
The best answer to your questions seems to be #1: Urban insurgency.
A leap year is a calendar year that contains an additional day added to keep the calendar year synchronized with the astronomical year or seasonal year.
Variables affecting the business cycle include marketing, finances, competition and time.
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