They thought it was necessary to protect the liberty of Americans. ... would ensure that a strong federal government had its power held in check by its three branches.
The answer should NOT be:
The Zimmermann Telegram
The sinking of Lusitania
any other than that could be a choice
hope this helps
The prime energy source at the time was coal. As the Industrial Revolution began to speed up, the need for coal grew because it provided power for the factory engines, steam powered ships and steam locomotives. Second, the demand for iron increased. ... At a later stage, iron was needed to construct the steamships.
Shi Huangdi was unpopular was due to the deaths of thousands of laborers during the construction of The
Great Wall.
The second one, I believe.
Hope this helps