The increase in the trade of silver during the period between 1550 and 1800 is due to the fact that silver was started to be used as a standard currency for trade purposes. Even though it was not considered as "legal tender", as it would later be used for this purpose with the introduction "Bimetallism" in the 19th century, it was widely adopted as a tool for trade among the civilizations that existed at the time.
im pretty sure it was the Keatintg-Owen Child Labor Act
hope this helps <3
I believe that the answer to the question provided above is that the westward expansion created a clash between sectional interests in Missouri because of the geographical location of Missouri it was being clashed.Hope my answer would be a great help for you.
The correct answer will be b