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

Why did china build the great wall of china?

According to the excerpt, what were the causes of world war 1? check all that apply. 1. russia’s mobilization 2. the spread of disease 3. the assassination of the archduke 4. imperialism and expansion 5. the growth of britain’s naval forces

What event led stephen decatur to burn the u.s. warship philadelphia?