Through the Monroe Doctrine.
Colombia
alaska, luv
The US did not acquire it or the land. The US leased the land from the newly established country of Panama, and the US built the canal with Panamanian assistance. Panama does and always has owned the canal.
Panama Canal zone and Alaska.
no
The US never acquired Panama. However, after building the canal from 1904 - 1914 the US did have perpetual control of a five mile wide zone on either side of the 50 mile canal. The Treaty that allowed this was called The Hay-Bunau-Varilla Treaty, signed by the Panamanian government.
The US encouraged the separation of Panama from Nicaragua, of which it was previously a part.
hay
never
Rodman
The Panama Canal Zone is in North Dakota.
Panama Canal Zone was created in 1903.