Is a covered wagon passing horse an example of a caravan?

No, it isn't

Explanation:

One characteristic of a caravan is that it can be used for both methods of transportation and a place to live.  The concept of a Caravan was first introduced by the Romani people in 1800s

Covered Wagon that pulled by a horse can only be used as a method of transportation. They're basically belong to the same category as a car rather than a Caravan.

answer; i believe that the correct answer to the above question is; (tariff)

answer; proximity;