The Final solution was a secret to exterminate all the Jewish people. Compartmentalization<span> was the way to keep it secret, only the leaders knew the plans of the </span>Nazi party. This was kept by trusted leaders. I hope this answer helped you.
One of the greatest programs that helped returned World War II veterans reintegrate into society was the GI Bill, which gave them a free college education.
Japan used to be an isolated country as it's borders were closed to everyone. After they opened the borders, they started developing the country by accepting new technologies and anything similar that was considered to be beneficial for the country's well being. They also started to perfect things that they adopted which led to new inventions and advancements.
