Because they was a possibility that their family member would not return.
It is surreal your welcome
The Iroquous system of Governing is based on The Grand Council which consists of representatives of the Haudenosaunee Confederacy, from the Six Nations.
As they believe in the participation of the people in politics option A and B are correct.
The incorrect term in regards of their ideas for governing is B. Checks and Balances. There is no evidence that they use any kinds of Checks or Balances for their political matters.
Answer:
The answer to your question is trade, hope this helps :)
