The relocation of native americans to reservations and the transfer of americans of japanese descent to internment camps during world war ii are examples of

This was an example of Direct Transfer.
The Indian Relocation Act of 1956 which was also known as Public Law 959 was a United States law intended to encourage Native Americans in the United States to leave Indian reservations, acquire vocational skills and assimilate into the general population. For this reason it was also called the Adult Vocational Training Program. 

Answer: - the gas is compressed