I think what's common between the three is that, these are the turning points where human minds brought about change out of necessity. The ages before those mentioned are periods of great depressions and unfortunate event. So, these fueled the people to change for the better and appreciate science and art more.
According to president Lincoln his intentions about the Emancipation proclamation was to Free all the slaves in states fighting against the union.
Therefor option C is correct
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What was the Emancipation Proclamation?</h3>
The Emancipation Proclamation was a presidential proclamation and executive order issued by United States President Abraham Lincoln on January 1, 1863, during the Civil War which was aimed at freeing all slaves who were fighting against the Union.
According to Abraham Lincoln, he declared "that all persons held as slaves" within the rebellious states "are, and henceforward shall be free."
One of the major reason for the emancipation proclamation was to reduce the fighting strength of people in the rebellious states.
This was strategically done because most of the slaves resided in the south and they formed a significant number of the fighting population.
Learn more about the Emancipation proclamation at brainly.com/question/894562
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The correct answer is Slaves
Slaves were a big thing in Florida and a lot of people owned them with the amount of slaves per capita being much higher than in other southern states. This was a problem for Floridians because they often feared that slaves could rebel and they also feared that liberating them would ruin them politically and socially.
The United States maintained neutrality up until the point where Japan bombed Pearl Harbor. After that, it was impossible for the US to keep to itself.
James Madison was the person behind the federalist papers. He later became the president of the U.S.
