In what year did great britain began to use the new calendar

Which of these resulted in an actual slow down or limiting of the u. s. and soviet nuclear arsenals?

Hitler hoped the threat of would deter the u. s. from entering the war. a. japanb. genocide c. nuclear war d. war on two fronts

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.