Owners of factories to control their workers
A. The document will include references to England as a strict monarchy.
I believe the answer is D because A was part of the Missouri Compromise, B just never happened, and C is part of the Kansas-Nebraska Act.
A number of major ballet dancers defected from the soviet union in the years between world war ll and 1991 because they were not allowed to express artistic freedom and Russia, as they were allowed to do so in other countries.