Explain u. s. presence and interest in the middle east (include the persian gulf conflict, the causes of the invasions of afghanistan and iraq, the withdrawal in iraq and the upcoming withdrawal in afghanistan)?

Explain how the poverty level is determined. on edinuity* the possible answer may the poverty level is defined by the u.s. bureau of the census and it is determined by calculating the cost of providing an adequate diet. this number is then multiplied by three because research has indicated that poor people spend a third of their income on food.