The Appalachian Mountains are a significant feature of Maryland’s geography. Using your own words, explain how both constructive and destructive forces have resulted in the rolling hills of the Appalachians that Marylanders and Americans recognize today. You may research images of Appalachia on Bing to help inform your response.

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