Separation of powers branches of government

Can someone read this article and tell me the 1) key ideas and 2) one key quote (copy and paste the link the article is not to long at all)from

Think about the different ecosystems we would find while studying the physical geography of the united states. which ecosystem do you live in? in a short paragraph, describe the ecosystem that surrounds you. what kinds of plants and animals are common in your area?

Prior to 1994, rwanda's ethnic population was composed of a. a tutsi minority and a hutu majority b. a hutu minority and a tutsi majority c. an even number of hutus and tutsis d. a rwandan majority with hutu and tutsi minorities select the best answer from the choices provided. a b c d