The right answer is C. influenced the development of the language in which they were written. I JUST TOOK THE TEST
The answer to the question that is being presented above would be the increase of stock prices through the people purchasing goods or services. This was not a warning sign of tough economic times ahead before the Great Depression because these stock prices were bought on credit and was not a reflection of a real investment.
The principle of popular sovereignty is a method used in the 19th century, which states that the people of a given area create and sustain the power of their government through the representatives the people elect. This was enacted during the Kansas-Nebraska Act of 1854, and it was a compromise on the slavery issue that was paramount at the time.