India, March 1 -- The US grand strategy focuses on preventing challengers, managing regional powers, and maintaining military dominance.

The grand strategy, its evolution and practice, easiest to understand is that of USA. In the 19th century and the period preceding World War I, a key element of US grand strategy was to not allow in the Western Hemisphere a significant presence of an outside great power. Notably, this strategy was formulated even before the US had the capabilities to enforce it. In the period between World War I and WW II, Britain and France were considered the pre-eminent powers. The US's strategy as an off-shore balancer was limited to preventing unquestioned dominance by any power in Europe and East Asia. After World...