Based on the context, what does the word contagion mean?

In the excerpt, "A wrong is unredressed when retribution overtakes its redresser,” which of the following is a synonym for redress?

ichabod crane is a fictional character and the protagonist in washington irving's short story, "the legend of sleepy hollow", first published in 1820. in popular culture, this story is sometimes retitled as "the headless horseman."

pandas are endangered because of habitat destruction by humans.

as of 2014 there were around 2,000 left, since then, it supposedly has risen 17%.

they are a very endangered species.

-theoneandonly003