The city of harappa was located along a tributary of the river. a. nile b. indus c. tigris d. euphrates

The correct answer is B. Indus.

Explanation

Harappa is a city in the Pakistani state of Gujarat and is important as it is considered one of the first cities in the history of Humanity. It was founded in a tributary of the Indus River in the year 2 600 BC, that is, about 4 600 years ago. To this day the vestiges of the houses, the walls, the alleys and the outdoor spaces that made up the Harappa map persist. It was one of the most important civilization sites in the region. Among other historical landmarks, Harappa was the first Indus Valley city to be excavated. So, the correct answer is B. Indus