From Focus on History by M Femandertall Study Source 2B. 2.2.1 Using information from source, explain why the share prices increased quite substantially in 1928. (1x2)(2 2.2.2 Why do you think speculation was a popular practice in USA In 1920? 2.2.3 Using the information in the source and your own knowledge, explain why you think buying shares on the margin was bad for the American economy. (221 2.2.4 (2 Quote TWO reasons from the source that made people to panic. wice ZB