The City of New York (comprising all five counties or "boroughs") is referred to as New York, NY. The island and borough of Manhattan is New York, NY. When you write a letter to someone in Manhattan,...
Since the world was covered mostly by water, only a strong navy would enable a nation to "project" it's military might (armies) across the globe.
If a nation didn't have a strong navy, they could...
In 1883 the US Navy was directed to transition from a wooden ship navy to a iron/steel ship navy. The rest of the world's navies were doing the same thing. In 1890 USN Capt. Mahan published a book...