Which skills are needed for reading and understanding maps?

you dont really need any skill

Explanation:

less available tax revenue

this basically means that when they get money from taxes wirth having a lower gdp they get less then what others have with a higher gdp

basically means the stoc market is going down since   dow is one of the most sucessful buiness it would be a tragedy for it to go down and it ensures the ruinty of the stock market