Why is there no health risk for researchers working at the burial site? plague is now a treatable disease
plague bacteria cannot survive very long in soil
human beings can no longer be affected by the bacteria that cause plague
there are no rats buried nearby and no fleas to carry the disease

if you are talking about current time the answer is no

if you are talking about when the colonies were developing the answer is yes

the map that was shown mostly had eastern asia highlighted. the answer would mostly likely be "the spread of communism into eastern asia set the stage for the korean war."

hopefully this .

roosevelt, a progressive reformer, earned a reputation as a "trust buster" through his regulatory reforms and anti-trust prosecutions. his "square deal" included regulation of railroad rates and pure foods and drugs; he saw it as a fair deal for both the average citizen and the businessmen.