Why was California's application for statehood controversial?

What were some of the examples of inventions made in the colonies of early America? Why did it take money to make money during the period of rapid economic expansion after the Civil War What are the implications of this for the potential for social mobility? What is the WORTH OF A 1879 O silver dollar? What happened to the caribs? Are quarters and dimes minted prior to 1964 silver? What happened in the Philippines after America took over? What happened after the war in Vietnam? Who did nicola Tesla work for when he first arrived in the us? What all did George Goober Lindsey do in his lifetime? What is the value of a 1969 US 5 dollar bill? What is the largest coal mine in the US? Where did the slaves go after being freed? Who were the abolitionists of 1862? How many states were admitted in 1912 to the union? Where did the people of mapungubwe come from? How did the olmec die out? Why did Americans think cattle ranches on the great plains were impractical? Which Civil War battle resulted in the Union gaining strategic control of the Mississippi River Which Civil War battle resulted in the Union gaining strategic control of the Mississippi River? What did colonist wear? What is a swing state?