Please help with this question.

Which barrier to economic development is shown in the following examples? i. the high rate of hiv infection in underdeveloped nations ii. the use of children as soldiers in uganda’s army in the early 2000s iii. low literacy rates in underdeveloped nations with limited exposure to adequate education a. foreign debt b. political instability c. widespread disease d. low levels of social welfare

How did geography influence the settlement of early africa.

Which of the following countries was not an ally to the u.s.s.r. during the cold war? west germany poland romania cuba