Why do some experts believe the S & P 500 is a more precise way to measure the market ?

The S&P 500 measures the value of the stocks of the 500 largest corporations by market capitalization listed on the New York Stock Exchange or Nasdaq Composite. The intention of Standard & Poor's is to have a price that provides a quick look at the stock market and economy

to contain the wave of communism

either b) they were often feared and despised by other native cultures. or

c) their obsession allowed them to coexist with many other native cultures because of their peaceful nature.