Which of the following describes a contributing factor for atrocities to occur in Sri Lanka?(1 point)%0D%0AResponses%0D%0A%0D%0Aa military government regime%0D%0Aa military government regime%0D%0A%0D%0AAmerican intervention during the Vietnam war%0D%0AAmerican intervention during the Vietnam war%0D%0A%0D%0Ahistorical ethnic grievances due to British colonialism%0D%0Ahistorical ethnic grievances due to British colonialism%0D%0A%0D%0Ahistorical ethnic grievances due to French colonialism