Why was control of the atlantic ocean essential to great britain’s success in world war ii?
a. britain depended on the atlantic for overseas communication.
b. britain depended on fishing the atlantic waters for food.
c. britain was an island nation dependent on trading to keep its economy strong.
d. britain was an island nation dependent on shipping for the supplies it needed.

Which of the following is not true of the xiongnu empire? burial mounds included glass beads and mirrors made from the sands throughout the region. there was more cooperation through trade between the tribes. other tribal units that were eventually assimilated were indo aryan, xianbei, hunyu, scythina and han chinese. as each nomadic tribe and civilization was conquered or absorbed into the larger empire, the xiongnu were able to hold more territory.