Https://www.enotes.com/homework-help/act-5-scene-8-143435 <---- this goes over it pretty well :)
Johannes Gutenberg known for "<span>a. inventing the modern printing press". This of course had huge ramifications for the world, especially when the Bible was printed and spread widely. </span>
One of the biggest problems was that the national government had no power to impose taxes. To avoid any perception of “taxation without representation,” the Articles of Confederation allowed only state governments to levy taxes. To pay for its expenses, the national government had to request money from the states.
https://www.khanacademy.org/humanities/ap-us-government-and-politics/foundations-of-american-democracy/challenges-of-the-articles-of-confederation/a/challenges-of-the-articles-of-confederation-article
The question is asking to choose among the following choices that made Americans so willing to engage in stock market speculation in 1920s'. Based on my research and further understanding, I would say that the answer would be Speculation helped many low-income people move to the middle class.
Answer:
John F. Kennedy and William Howard Taft
Explanation: