Answer:The 1840s were by far the biggest decade for railway growth.
Explanation:
No he did not make the right decision to assassinate someone
The Greek Dark Age is the interval between the collapse of the Mycenaean civilization, around 1200 BCE, and the Greek Archaic Period, around c. 800 BCE.
The 4 main causes of the Great Depression were the stock market crash of 1929, bank failures, overproduction, and drought.
So, for your question, Overproduction in factories and unpaid bank debts
The best option from the list would be that "<span>It had to be ratified by at least nine states," since the whole point of the new Constitution was to establish a stronger union between the states. </span>
