Question

this invention created new industries and job opportunities for americans, as well as made travel easier
radio
car/automobile
television
internet

Explanation:

The invention that created new industries, job opportunities, and made travel easier is the car/automobile. The radio and television are mainly for communication/entertainment, and the internet is a more modern technology focused on digital connectivity, while the automobile revolutionized transportation and spurred related industries (like manufacturing, road construction, etc.).

Answer:

B. Car/Automobile