Explain from the standpoint of Keynesian macroeconomic theory why the slump in the stock market that began in the spring of 2000

“Market Slump Helps Sell Tax Cuts Now.” (Headline from fall 2000) Explain from the standpoint of Keynesian macroeconomic theory why the slump in the stock market that began in the spring of 2000 help build support for Bush’s tax cut proposal in his first year in office