By conserving the natural resources and replenishing the renewable ones and limiting the non-renewable ones.
The French navy assisted the US forces in the Battle of Yorktown
The answer should be C. Sugar plantations required large numbers of workers at low cost.
The long wait on angel island took place in America within the period of 1920s. The story depict the struggle of chinese immigrants who fought to escape communism and find a new opportunity on the freedom land.
This writing is considered a historical fiction because it does not provide any concrete evidences of it's actually happened.