Isolation means isolated from others, therefore your away from others, or disclosed.
The correct answer is option two. The Tree of Great Peace symbolizes the friendly association among the historically powerful Native American Five Nations - Mohawks, Oneidas, Onondagas, Cayugas and Senecas. It is also an alliance of peace, companionship and unity withing this group of aborigin nations
An example of historical literature or otherwise creative works that demonstrate an author's style or purpose is A Tale of Two Cities by Charles Dickens.
Answer: D) or the fourth option.
40,000,000 pounds, a ton is 2000 pounds, so just multiply