D that's super easy and I am in elemantry school
The Monroe Doctrine<span> was </span>important<span> because it stated that the newly independent United States would not tolerate European powers interfering with the nations in the Western Hemisphere, and if the European powers did interfere, then the United States would retaliate with war.
*Hope this helps</span>
José Protasio Rizal Mercado y Alonso Realonda
Answer: Its like the books of time and gives a sense of what going on with the context, newspapers etc.