Why is the harappan culture considered a civilization

Counterculture is mainly driven by the youth because

Historians are concerned with the accuracy of their writings and readings but are also aware of the inability of authors to know every angle of every story biases, perspectives, beliefs, and a variety of other differences history being told by one person at a time no one being totally accurate, as hard as we try really need on this, and you^^

In 150-200 words, name three advancements made by the egyptians and tell how they impacted the culture.