How does the idea of "checks and balance" contribute to american democracy?

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 constitution limits the power of question 3 options: both the federal government and state governments only the federal government only state governments the supreme court

¿que tan importante puede ser nuestras decisiones en nuestra vida? explicar