instruction:
In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
question:
The yield of these compounds can be increased through ball milling of some of their components, and one mode of operation of these compounds proceeds through a mechanism called enantiomorphic site control. A process for the operation of these compounds that proceeds through migratory insertions and obeys the "principle of least nuclear motions" was developed by Cossee and Arlman. Compounds such bis(cyclopentadienyl)titanium chloride and bis(indenyl)zirconium dichloride, known as metallocenes, have been developed as an alternative to the traditional compounds of this type. Those traditional initiators include vanadium trichloride and triethylaluminum, and the product of the application of these compounds to alkenes can result in syndiotactic, isotactic, or atactic products. For ten points, identify these stereoselective compounds used to initiate polymerization, named for a German and an Italian chemist.
answer:
Science


question:
This man claimed that the doctrine of popular sovereignty could coexist with the Dred Scott decision during an explanation of his Freeport Doctrine. This man led a faction of a party whose other faction was led by John C. Breckenridge in the 1860 presidential election. Known as ""The Little Giant,"" this politician was instrumental getting the Kansas-Nebraska Act passed. For 10 points, name this Democratic Illinois Senator who engaged in a famous series of debates in 1858 with Abraham Lincoln.
answer:
History


question:
This compound is extremely similar to sugars containing pyranose rings, the only difference being the presence of an oxygen in the pyranose ring. Its most frequent form consists of six axial carbon-hydrogen bonds and six equatorial carbon-hydrogen bonds that radiate out from the ring. In the "chair" conformation it is more stable than the other major conformation, known as the "boat. "  FTP, what is this cyclic hydrocarbon with formula C6H12
answer:

Science