Why did nobles form their own samurai armies

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

What is domino theory? how did domino theory impact the us involvement in the vietnam war

What is the line drawn on a production possibilities graph called?