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.
Although the effectiveness of these tactics can be question, it was in "a Korea and Indochina" that the Eisenhower administration effectively use brinkmanship, since this was part of the Cold War.
May you please add what your choices are? it is a little hard to answer without any information.
Samuel J. Tilden had the popular vote at 4 228 546 or 50.9%, but lost to Rutherford B. Hayes, who had 4 034 331 votes, or 47.9%.
Rutherford won because he received 185 electoral votes to Tilden's 184.<span />
