What is this about can you tell me what it is so I can answer
If you are talking about WW1, then the 3 factors are the Zimmerman Telegram, The sinking of the Lusitania, and economic interests
In the early 1940s, the United States was determined to prove to the world that her motives for entering World War II were "<span>to re-establish peace in the world," since most of the US was isolationist at this time. </span>
Political science uses a scientific approach. Political scientists approach their studies in an objective, rational, and systematic manner.
