Why does NATO continue to exist after the Cold War ended?
A NATO today is the government of the unified nation-state of Europe.
B NATO has become a global organization focused on fighting poverty.
C NATO has become more of a broad supranational organization.
D NATO today is an economic organization that created a universal currency for all of Europe.

How do flood plains improve agriculture?
A Flood plains make soil more stable.
B Flood plains allow for the easy transportation of crops.
C Flood plains prevent outside armies from attacking.
D River flooding deposits nutrients in the soil that encourage plant growth.

Malaria creates a disease burden in what region of the world?
A Africa
B European Union
C North America
D the Scandinavian countries

Which of the following are examples of infrastructure?
A institutions, administration, and education
B local and national politicians
C coffee, cotton, and tea crops
D oil refinement and health care

From what do the tensions between Uzbekistan and Tajikistan largely stem?
A the removal of military troops from nearby Afghanistan
B shortages of raw materials to build a dam on the Vakhsh River
C concerns over access to fresh water
D religious differences