The correct answer is A. clayton act of 1914.
This act was made to reduce the power of monopolies and trusts and prevent them from exploiting the people and the laws. All of the other ones do similar things but what you described is in the clayton act, while the others reduce unfair prices or similar things.
Answer:
You're looking for Joliet and Marquette
1. a. California was included to the Union as a free state.
b. Because the capital (Washington DC) banned slavery.
2. a. The Kansas-Nebraska Act of 1854 was an act that divided the western part of Missouri into two parts; Kansas and Nebraska.
b. Kansas was in between of the North (Union) and the South (Confederates). Both parties wanted Kansas to support what they support for their own interests.
3. I haven't read Uncle Tom's Cabin, sorry.
4. propaganda; and claimed as an unfair picture of slavery (not really sure about this answer)