Efficient government and adequate rulers
The federal government runs the federal court, and the state governments run the state court.
Depends some don't want to let go of the past, others it could be they are scared of being judged for what their ancestors did. They also might have PTSD this might give them flashbacks and scary dreams about things they might have seen.
It was the "c. Kellogg-Briand Pact" that discussed global disarmament and Pacific security (although it ultimately failed), and the reason why it could be argued that the Beer Hall Pusch was a successful event in Adolf Hitler’s political career was because "<span>d. It increased his popularity among both government and public sectors," since it was such a bold move. </span>