Eli Whitney inventing the cotton gin which separated cotton seeds from their fiber and also increased the cotton supply in the south. Another event is the first national road to link parts of the country together to transport and increase trade throughout the United States.
The correct answer for this question is "a. Americans felt it was their duty to come to the aid of the Central Powers, who were being badly beaten." A major reason the United States exchanged neutrality for war in 1917 is that <span>Americans felt it was their duty to come to the aid of the Central Powers, who were being badly beaten.</span>
<span>B. More colonists became angry about British actions.
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Benjamin Franklin’s negotiations on their behalf