What would be a global economic effect should a war or revolution occur in the middle east

a. a devaluation of the euro
b. a big increase in the price of oil
c. a recession or depression
d. a drop in the market price of grains

In a modern democracy all elected officials serve for a certain number of terms then must retire a high school sophomore and a senior citizen may vote at the polls together a united states senator votes on immigration law on behalf of your mother through indirect ballot all democracies have a two chamber system of representation united states citizens live in a direct democracy