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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

The case of brown v. board of education was started when a. oliver brown's daughter had to walk 21 blocks to the nearest school when an all-white school was only 7 blocks away. b. oliver brown's son was caught at a sit-in at the local school district. c. oliver brown's son was unable to participate in the school's all-white football team. d. oliver brown's daughter was unable to attend high school because there were none for her to attend.

“from stettin i the baltic to trieste in the adriatic, an iron curtain has descended across the continent? ” the term iron curtain refers to which of the following? a. a military operation b. communism c. hard-line politics d. machine-driven battles e. unyielding diplomacy