I need help with this thing about the 9/11 thingy its kind of easy its just watching a 10 minute video and doing technically 3 questions you dont have to do the summary just the 3 important takeaways and why its important

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.