I think it's A. The admission of Missouri as a slave state was controversial in the Senate because t<span>he Senate was a Pro-Slavery</span>
The answer is "<span>mechanical solidarity".
Mechanical solidarity refers to the social joining of individuals from a general public who have regular qualities and convictions. These normal qualities and convictions constitute an “collective conscience”, that works inside in singular individuals to make them coordinate.
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Edison and his assistant, WIlliam Dickson, grew worried that others were gaining around in camera development, such as Eadweard Muybridge. Muybridge presented the idea of collaborating to create a movie camera, but Edison turned him down. He planned to do this by using Edison's Phonograph and his Xoopraxiscope, a device for projecting motion pictures that pre-dated the flexible perforated film strip.
Edison's Movie Camera, also known as the "Kinetograph" finally came together in 1891. The movie camera takes a sequence of photographs in order to give the illusion of motion when viewed in rapid succession.
The United States and the United Kingdom share enormous trade and economic relations. Each country is among the other's top trading partners.
The answer is participant observer. A participant observer is classified as a method in which is used in collecting data for research. It is a method where a person joins a particular group in order to know or learn more about them in a way that they could join them or before the person could be accepted. The person usually records and observe as he or she joins the group to know more about the group that he or she is getting into.
