The correct answer is - The majority Hutus slaughtered the minority Tutsis.
After Rwanda gained independence, the nation was largely not monitored for some time about how it progresses and what is specifically going on it, mostly because it was not of big interest to the more powerful nations.
Despite noticing some signs that maybe a genocide is about to take place, the UN and the USA did not reacted on time, and the majority, the Hutus, used that and slaughtered the minority Tutsi population.
The genocide was performed by the Hutus as an act of revenge for the past when the Tutsis were holding the higher positions in this country, and also because the Tutsis had much of the wealth of the country in their possession.
