Why did many greek city - states send people to settle the shores of the black sea?

Draw conclusions  why might a cause like italian unification successfully draw people of very different backgrounds together?  

What clause(s) expanded the power of the executive branch, especially relating to foreign policy?

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