Why is it difficult for third parties to win elections in the united states

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

The system of checks and balances ensures that

Which expression is equivalent to (fg)(5)