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.
Fredrick Douglas was the African American who said the Mexican War was "disgraceful" because he thought if America would annex Mexico then slavery would be carried over into the new territory.
"<span>a. overcrowding and growing drought" would be the best option from the list, since Indonesia is mostly a series of small islands which makes territorial expansion impossible. </span>