Colonialism: The practice by which a foreign power takes political and economic control over another territory. In Rwanda's history, it refers to the period when European powers colonized and ruled over the country.
Genocide: The deliberate extermination or systematic killing of a large group of people based on their ethnicity, religion, or nationality. In Rwanda's history, it specifically refers to the Rwandan Genocide in 1994.
Independence: The state or condition of being self-governing or free from external control. In Rwanda's history, it marks the period when Rwanda gained independence from colonial rule.