What pivotal event led the united states to enter world war 2?

How does the process of constructing a historical narrative differ from the process of creating a timeline

What spanish colony gained its independence in part due to the efforts and sacrfice of a village priest named father hidalgo? a. argentina b. venezuela c. mexico d. peru answer asap

Who introduced arabic numerals to italy, which make bookkeeping possible? a. brunelleschi b. cosimo de medici c. fibonacci d. gregory xi e. giovanni de bicci de medici