HAHAHA I need that too for mrs long!!!!
Answer:Officers are commissioned by and ultimately derive their authority from the President and are confirmed by the U.S.
Explanation: because
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 best option will be the C. Railroads made the rapid movement of produce and goods into many markets possible.
Because Railroads basically were the key point to national business and economic growth. Eliminating the needs for long and weary trips, while also founding and fueling other soon-to-be huge business industries, such as iron, coal, copper, machinery, etc., railroads made "rapid movement of produce and goods into many markets possible."
