the answer to your question is a) they had advanced planning and developed effective military methods.
Answer:
3 years
Explanation:
Angela sun is the lead journalist in the documentary and it took the government 3 years to grant her access to go to the island
Over time, the settlers who stayed were able to adapt and modify the landscape for farming.
C). It failed to poll poor voters, because the names of the mailing list for the poll were taken from phone directories/magazine subscribers/etc., which tended to just be composed of middle-class/upper-class voters since they were the ones who could afford it