Those living on the Texas frontier communicated with the outside world through . a.
telephone and telegraph
b.
telegraph messages and newspapers
c.
Pony Express couriers
d.
early radio transmissions and newspapers

I think it's B!

Explanation:

answer: refers to a diverse array of media technologies that reach a large audience via mass communication. the technologies through which this communication takes place include a variety of outlets. your welcome i hope you me out in the future : (

explanation:

if it were me, i would pick c. c is the best answer because it's basically saying go on a non-violent strike for india