Answer:
127. "Black Tuesday" refers to October 29, 1929, when the stock market experienced a severe crash, marking the beginning of the Great Depression.
128. Franklin D. Roosevelt (FDR) was the 32nd President of the United States, serving from 1933 until his death in 1945. He is best known for his leadership during the Great Depression and World War II.
129. Buying on margin refers to the practice of borrowing money from a broker to purchase securities.
130. Installment buying refers to the practice of purchasing goods or services and paying for them over time in scheduled payments, often with interest.
131. The New Deal was a series of economic programs and policies implemented by President Franklin D. Roosevelt during the 1930s to combat the effects of the Great Depression.
132. The Social Security Act, passed in 1935, established a system of old-age pensions and unemployment insurance for American workers.
133. The Indian Reorganization Act of 1934, also known as the Wheeler-Howard Act, was a U.S federal law that aimed to reverse the policy of assimilating Native Americans by encouraging tribal self-government and preserving native cultures.
134.The causes of the Stock Market Crash of 1929 were complex and multifaceted, but some of the key factors include over speculation in the stock market, uneven distribution of wealth, and a lack of regulation in the stock market.