What effect of the Columbian Exchange does this image illustrate? A. the population boom of domesticated animals that escaped into the wild
B. the conversion of the physical environment from grasslands to pasture
C. the introduction of milk cows to the Native Americans of the Midwest
D. the destruction of the natural landscape due to grazing cattle

Which of the following statements best describes relations between india and pakistan? a. the countries have had peaceful relations since the partition of india. b. the countries have an ongoing trade dispute with bangladesh. c. the countries have had conflicts over the region of kashmir. d. the countries have agreed not to develop nuclear weapons.