I believe the answer is D. WWI was the first "total war," in which all of the people in all of the involved countries participated and were impacted.
Answer: The answer would be A Price rises
Explanation: When demand exceeds supply the price will rise
Code talkers transmitted messages over military telephone or radio communications nets using formally or informally developed codes built upon their native languages. The code talkers improved the speed of encryption and decryption of communications in front line operations during World War II
It's because they was dividing Indian society groups based on rank, wealth, or occupation.
