How did coal and iron play a role in the origins of the industrial revolution in great britain?

The code talkers work contributed mostly to

The devahrime system was created in order to : a. promote the expansion of sikhism in the ottoman empire b. illuminate the influence of christianity in the ottoman empire c. create trade relationships between the ottoman and mughal empires d. provide the ottoman empire with trained professional soldiers

How does the balance of trade look different in the us today vs hot it looked in the 70's