Mostly due to the ideas of Manifest Destiny. They started going westwards with the desire to span the United States from coast to coast, and then they started going worldwide. The idea behind it is that the United States were destined to help the world become free and democratic like they were so they started helping people worldwide in rebellions against colonialism or in similar affairs.
At this time the US went to Defcon 2
A.
The correct answer is Mumbai.
Mumbai is located on the western coast, while the other mentioned cities are either continental or on the eastern coast.
D I believe :)
Protect not only the property but also the property owner from the danger of slave violence.
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Inherent in the institution of slavery were certain social controls, which enslavers amplified with laws to protect not only the property but also the property owner from the danger of slave violence. The slave codes were forerunners of the Black codes of the mid-19th century.