The following sentences form a paragraph. The second and fifth sentences of the paragraph are given. The rest are numbered as P, Q, R, S, and T. These five parts are not given in their proper order. Arrange them in the correct order to make the paragraph meaningful and then answer the questions given below.

P. Among the other causes of the eventual market collapse were low wages, the proliferation of debt, a struggling agricultural sector and an excess of large bank loans that could not be liquidated.

2. By then, production had already declined and unemployment had risen, leaving stocks in great excess of their real value.

Q. During the 1920s, the U.S. stock market underwent rapid expansion, reaching its peak in August 1929, after a period of wild speculation.

R. In the aftermath of Black Tuesday, America and the rest of the industrialized world spiralled downward into the Great Depression (1929-39).

5. Billions of dollars were lost, wiping out thousands of investors.

S. On October 29, 1929, Black Tuesday hit Wall Street as investors traded some 16 million shares on the New York Stock Exchange in a single day.

T.  It was the deepest and longest-lasting economic downturn in the history of the Western industrialized world up to that time.