The idea of the us gaining all land from one seaboard to the other is called manifest destiny the us gained these lands through several different purchases, annexations, and agreements such as the annexation of texas the treaty to give the us land in oregon below the 49th parallel and so forth.
about years or months i kinda forgot
Three of the mentioned events happened in the last (20th) centuty: Nafta went into effect in1994, Panama regained control over the Canal in 1970s and Fidel Castro was is still alive.
The event that came first was the following one: <span>(2) Simón Bolívar established Gran Colombia.
It happened in the 19th century. </span>