The correct answer is C. A system of weights and measure for trade.
This is because the Harappan civilization did not establish a uniform set of weights and measures for use in trade.
Answer:
Muhammad's popularity was seen as threatening by the people in power in Mecca, and Muhammad took his followers on a journey from Mecca to Medina in 622. This journey is called the Hijrah (migration) and the event was seen as so important for Islam that 622 is the year in which the Islamic calendar begins.
Explanation:
A new nation was born called the United States !
The main point of the excerpt is that readers should be aware of the damage that the war has done to a generation of men who were impacted by it, and read the book with this idea in mind.
The epigraph wants to make sure that readers who approach this book do it with the same purpose as the one with which the author wrote it. He does not want the readers to think of this book as an accusation, a confession or an adventure.