Although under the War Powers Resolution Act of 1973 the president must consult Congress before declaring war or sending troops into hostilities, successive presidents have used their power as commander in chief to avoid consulting Congress, with the exception of:

presidents have used their power as commander in chief to avoid consulting Congress, with the exception of Congress belatedly passing a resolution authorizing the president to use military force against Iraq in 1990.

when a country suffers, for example, a drought period, the market product is affected for a low offer, in this case, potatoes; the government has to tax to the households, which have to give more money for the potatoes which they consume, that situation make them consume substitute goods even through loans, it could increase the financial market movement and the inflationary phenomena, the business has to increase salaries in order to the employees could buy a more expensive food (potatoes) and in order to inflation tha business had to buy expensive supplies in the factor market, while the rest of the world have to gain more money to consume the same amount of potatoes.