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
It created the authority to create federal reserve notes.
It has increased.
In 2006, the United States produced more steel than it did in 1900, but China was the world's leading steel producer in 2006.
Plato's famous philosophical work was called The Republic. In this seminal work Plato, who was a famous Greek philosopher from the antique times, he was describing how a utopia in the form of a country would look like. His work is still being read tody and is considered an important piece of intellectual work in some aspects.
Mary White Ovington, Ida B. Wells, W.E.B. Du Bois