Im pretty sure albert einstein was the one who sent word of the newfound energy source to franklin D. Roosevelt.
Answer:
The answer is 1,3, and 4. I hope this was helpful!
The navigation acts, the Enlightenment, and the Great Awakening on the colonists, were events that, although different among themselves, achieved the union of all the colonies, something that would be the precursor of the War of Independence. While the Navigation Acts were increased hostilities of all American colonies against the British; the Great Awakening on the colonists caused the Revolution in the long run. The British ministers were a higher class, but the ministers of the Great Awakening could break the rules; the new beliefs were also much more democratic and their message was of equality; also the first important event in which all the colonies could participate. They were both points of union for the 13 colonies.
The challenges that many American farmers faced in the last quarter of the nineteenth century were significant. They contended with economic hardships born out of rapidly declining farm prices, prohibitively high tariffs on items they needed to purchase, and foreign competition. One of the largest challenges they faced was overproduction, where the glut of their products in the marketplace drove the price lower and lower