The answer is 4. Someone may disagree that this was his major accomplishment. And the other options are stated as fact
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.
Trade, religion, colonialism, exploration
C, The armies used roads to travel quickly. Roads facilitated the movement of armies, people, and goods across plains, deserts and mountains.
North korea was in a war with south korea