I think its A but I'm not positive about this one.
In the 19th and 20th century, many Southeast Asian countries
suffered colonial domination by European powers. Thailand was the only
Southeast Asian state to escape colonial rule. The British and French decided
the country to be neutral territory and it remained independent.
Answer:
alaska for real but is you mean the continenal us than probley main
Explanation:
The ethic connection that they had.
To sustain is to maintain a certian rate or level over a period of time, so I would put B. being able to continue for a long time.