Nato is

a. an agreement between the u. s. and russia to limit chinese involvement in european affairs

b. a cultural organization addressing mutual interests among north and south american countries

c. a military and political alliance between a number of european countries along with the u. s. and canada

d. an arm of the european union that finance failing member nations

Which reason best explains why certain areas of southwest asia have low population density? a. the semi-arid climate makes farming difficult because it produces very little rainfall. b. the moist climate limits job opportunities because it reduces oil production. c. the semi-arid climate produces heavy rainfall that contributes to devastating floods. d. the moist climate reduces agricultural production by causing water shortages.