According to blackmun’s decision, why was the display of the menorah and christmas tree constitutional?

Before 2010, haitian refugees were returned to their country without asylum hearings because

Many scandinavians immigrated to the united states as a result of the homestead act of 1862, which offered land to independent farmers. this is an example of a push factor, because turmoil in scandinavia encouraged people to leave. push factor, because a new opportunity encouraged people to come to the us. pull factor, because turmoil in scandinavia encouraged people to leave. pull factor, because a new opportunity encouraged people to come to the us.

Where were the trials to review evidence in cases against high-ranking nazi officials accused of war crimes held?