What might account for the fact that developed countries were more affected than developing countries during the h1n1 pandemic

A People in developed countries tend to use more antibiotics.
B Developing countries were avoiding consuming contaminated food.
C People in developed countries travel more and exposed more people to H1N1. D Developing countries were able to use large armies to prevent exposure.

If these are your answer choices I would say C is the most logical of the answer choices given.

No , abraham lincoln is elected 16th president of the united states over a deeply divided democratic party, becoming the first republican to win the presidency . lincoln receive 40 % of the popular vote handily defeated three other candidates