Why was the securities exchange commision created

In 1934, the SEC was created to restore investors confidence in the stock market after the complete collapse of the market in 1929. The market collapsed in 1929, in part, due to the lack of regulation so it was hoped that the SEC would keep 1929 from happening again.

the graph shows the spread of railways in the 1800s.

based on the graph, the conclusion that can be drawn about germany is answer d)   by 1880, germany had more rail lines than great britain and russia.