True. Many Americans wanted to remain neutral.
Answer: Subduction Plate boundary
Explanation: The Nazca plate is going under the South American Plate which is a subduction zone. The Nazca plate is more dense which makes it subduct under the South American Plate. This is evident by the volcanoes in South America
I think your question is: after which Genocide was this the case?
It might have been more than one genocide, but it was definitely the case in the Rwandan Genocide. Specifically it is estimated that around 100 000 children live in such households. (but his data is from 2003, so in the meantime those children grew up)