Who is the worlds first racist according to Ibram Kendi and Jason Reynolds? And why

Match the events to the impact they had on africa during the late 19th century 1.colonization of the congo 2.berlin conference of 1884 3.berlin act of 1885 settled tutorial disputes between european nations prohibited the slave trade in africa marks the beginning of scramble for africa

Me i really need which of these was an accomplishment of the han dynasty? the invention of the seismograph finding a water passage to europe the invention of the ballpoint pen the invention of the abacus

What is the level of government responsible for things like police and fire, protection, and is led by a mayor or council?