In medieval europe, it took a few years for the black death to consume all of europe. in 2009, the h1n1 disease spread all over the world in a few months. considering the information on the map, how might the h1n1 virus have spread so quickly throughout the world?

b)The virus was spread throughout the world via international airline travel  

the choices

a) The virus was spread throughout the world by flocks of migratory birds.

b) The virus was spread throughout the world via international airline travel.

c) The virus was spread throughout the world via contaminated meat.

d) The virus was spread throughout the world by infected street rats.

Explanation:

Grigory Zinoviev successfully had Stalin appointed to the post of General Secretary in March 1922, with Stalin officially starting in the post on 3 April 1922.

Explanation: