What is a good slogan to persuade people to live in Mohenjo-Daro (based on religion, government, protection, city planning, food, plumbing, jobs,...

Before
we come up with some cool slogans, let's first take a look at the history of Mohenjo
Daro.

Mohenjo Daro was a city in what historians refer to as the Indus River
Valley, one of the oldest agricultural settlements (along with Shang China, Egypt, and
Mesopotamiaa). Mohenjo Daro was located on the Indus River and was one of two large cities
there; another famous one was Harappa.

Unfortunately, we cannot translate
Mohenjo Daro's pictographic alphabet. We have evidence that its people kept records, and we have
even found evidence that they traded with their Western neighbors, Mesopotamia, because stone
tablets with Indus script have been found in Mesopotamia. But, unlike with Mesopotamia and
Egypt, we never uncovered a "Rosetta stone" for the Indus peoples. It also doesn't
help that when the Aryans from the north invaded and settled what we would now recognize as
India, they removed many traces of Mohenjo Daro's culture.

From
archaeological evidence and comparative analysis with other contemporary cultures, we do know
some things about Mohenjo Daro. I'll try to keep it relevant to the list you mentioned in your
question. Mohenjo Daro had a single ruler, and its social structure would have mirrored the
usualleader on top, then nobility, then merchants and artisans, and peasants on the bottom. It
was polytheistic, as many early civilizations were. What was unique about Mohenjo Daro was its
advanced sewage system and its grid-like street patterns; clearly, a lot of thought was put into
urban planning. There were citadels at the top of the city, where their high position could be
used to signal invading groups or offer religious services. Trenches dug from the citadel and
down out of the city carried water and waste, keeping the city clean and organized.

If you were to come up with slogans for Mohenjo Daro, I would consider pushing this
last aspect. It was what made Mohenjo Daro unique compared to contemporary river valley
civilizations. Perhaps something like "Mohenjo Daro: the cleanest city this side of the
Ganges!" or "Come for the spice, stay for life!" or "Mohenjo Daro: let our
citadel keep you safe!" would work well.