Maps are especially useful for showing aspects of the world that cannot be
seen directly. these include:
a. what it looks like to stand on the street.
b. the appearance of the street.
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c. political boundaries.
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d. photographs of the landscape from above.

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