Volcanoes at boundaries where two oceanic plates collide create a string of islands called a(n)

Which was not a country that massively built up its navy in the early 1900s? germany china united statesbritain

In the 1400s, portugal’s economy was based on a. industry b. exports c. finance d. trade

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