The last decade of the 19th century saw an incredible expansion in use of the? . a. radio . b. press . c. internet . d. television .

The last decade of the 19th century saw an incredible expansion in the use of the press. The press can refer to publication through newspapers, journalism, and the voice of the public. These were all rampant in the 19th century, especially since this was a time of war.

The answer should be europe