Answer: To mark historical moments in are society, so that we can know when they happened hopefully preventing anyone from distorting information.
B. It is B because A growing fear of immigrants and Catholics
I think there were 3,000 union casualties.
California outlawed slavery. Southern states didn't want California to be admitted to the union as a free state because it would upset the balance of free states to slave states. This was compromised Later in 1850
