An ad for the Tributary Hotel in Chicago has a number that people can call if they are interested in reserving rooms at the hotel or for further information about the hotel. One way to determine the effectiveness of this ad is to count the number of phone calls the hotel receives in response to the ad. This response count is an example of

Feedback

Explanation:

An ad for the Tributary Hotel in Chicago has a number that people can call if they are interested in reserving rooms at the hotel or for further information about the hotel. One way to determine the effectiveness of this ad is to count the number of phone calls the hotel receives in response to the ad. This response count is an example of  feedback.

Feedback is the information about the effectiveness of a system such as the effectiveness of the ad in reaching potential customers.

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations.