Select the correct answer from each drop-down menu.
What led to health concerns in China?
Blank gave rise to modern cities and job opportunities. People started migrating from rural areas to cities. Overcrowded
cities led to major health concerns, such as the blank
outbreak in 2002.

i think the answer is the one about environmental and social health.

hope this

i believe it was spain

besides the fact that abraham lincoln abolished slavery, and greatly benefit black people, he had a heavy impact of the definition of what democracy was, and should be.

answer is b.

  it is always the best policy to have good communication and good relations between individuals and, specially, between leaders of the countries. for this purpose, among others, there is a common place, the united nations, where the representants can present his and learn about the other country's policies.