Sources such as diaries though not very reliable can be used if there are a large amount of them showing the same date and event. Historical books written about the event especially those closer to the time would be able to help determine that the date is accurate as well.
Answer:
TRUE
Explanation:
Yes the economy did drop by 13% lower in 1947 than in 1944.
The Transportation of taro root crops, and pigs,as well as domestic chickens and small dogs in some groups,when tied up or kept in a cage,can be carried on a large sail boat or canoes,while the people row the oars ,in Hawaii all of these animals were brought to Hawaii by the Polynesian settlers,but New Zealand was too cold for the chickens to survive, the dogs and pigs I don't know
Iron was VERY important because it was very abundant and very useful. It was used to make different weapons. This was important because many would fight and those iron weapons were valuable. Hope this helped! :)