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>
The system of laws that had the greatest influence on modern American law is "Roman law," since it was this system that established many of the checks and balances within the central government that the US uses today. This should be right!