Bolivia, Peru, and Chile together contain nearly 60 percent of the world’s known reserves of lithium, a necessary component of batteries of every stripe. South America is also home to significant known and prospective oil reserves. Which of these resources will be more important to South America’s economy in the 21st century and why?

Which of the following countries has declared itself nuclear free

Over half of the african-american population in the united states live in

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