Answer:
C. buffalo robes
Explanation:
The Three Forks region is an area that is formed between the Arkansas, the Neosho, and the Verdigris, was called the three forks because it was thought that this were three forks of the Arkansas rivers, and eventhough they weren´t much explored in the early 1700´s trade happened and it was mainly done by Jean Pierre Chouteau, who traded fur, honey and buffalo robes with the native americans.
America's economy was driven by the production and selling of cash crops during the 19th century. This was especially true for cotton. Cotton is a valuable commodity with several different uses. The development of cotton became easier thanks to the cotton gin. Due to the invention of the cotton gin, there was an increased demand for labor. This lead to the increase in the amount of slaves, especially in southern states. Essentially, the market economy and America's ability to make a huge profit off cotton resulted in an increased demand for slaves.
Many farmers desired that this institution continue to spread westward. This was due to the fact that many farmers were looking to settle west due to cheap land made available by the federal government through laws such as the Homestead Act. In order to have success on these farmers, slave owners wanted to bring their slaves with them to these new territories.
From what it sounds like, "concealed propaganda", would be propaganda that is subtle, trying to slowly edge under the skin of a reader, in order to make it seem like it fits in normal life. They sound familiar to news you would hear otherwise. "Revealed propaganda", would seem like it's very blatant propaganda, like what you see in politics, with almost every ad or poster smearing one thing, person, opinion, etc. Revealed propaganda tries desperately to make people join it's cause and hate the other thing. Hope this helped!
-Trumpular :)
The agreement was to the territorial division of europe <span />