What two products, in addition to working light bulb, did thomas edison invent?

According to nationalists, a nation-states government should be a. controlled by european monarchs b. led by an appointment president c. voted on by european parliaments d. chosen by that nation-state

The hutu militia group responsible for carrying out widespread murders in rwanda in 1994 was a. the rpf b. the habyiramana c. the interahamwe d. the nazis

Why did the paris peace conference negotiations last over a year?