The north launched an offensive against the south that lead to the overwhelming of the south and the fall of Saigon.
I would say trading cities became more important
Explanation:
I am explain you in image
The correct answer is B; Repeal of the Eighteenth Amendment.
Further Explanation:
During the Prohibition, there were two groups of people the "wets" and the "drys." The wets were strictly "anti-Prohibitionists." The "drys" wanted the Prohibition.
The wets got what they wanted when the 18th Amendment was repealed in 1933. It had started in 1920. The wets bootlegged liquor and sold it underground. They would cross borders with loads of liquor and would flaunt the drinking in front of the drys.
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The answer is copper. There was a copper harbor before in 1843. It was one of the main sources of copper shipping. Today they no longer mine for copper, instead, they created a National Park in the area and had tourism for people who wanted to view the place for bird watching, stay and have different recreational activities.