When did the Black Death happen and how did it start?

In an essay of 400 words, summarize the responsibilities of the three branches of the united states government and the system of checks and balances. what is the purpose of the system of checks and balances?

Notice that nuetral belgium is located between germnay and france.how do you think belgium and the rest of the world regarded germany's violation of belgiums neutrality ?

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.