Things such as the gold standard and the Crime of 1873 contributed to the rise of America's industrial economy. The result was Republican policymakers sharply limiting the nation's money supply to the level of available gold.
C is the best answer :) good luck
The Inca empire was 772,204 square miles and includes 5 modern day countries. The Aztec empire was about 117,501 square miles and includes only Mexico itself. Documentation was also done differently. Inca used quipus, wool and string tied up. The Aztecs used a codex, similar to what other people had already used such as animal hide or a sought of bark paper.
Here is link for you where I found it for you xD.
https://answers.yahoo.com/question/index?qid=20120208180815AA71N2F