Children performed all sorts of jobs including working on machines in factories, selling newspapers on street corners, breaking up coal at the coal mines, and as chimney sweeps. Sometimes children were preferred to adults because they were small and could easily fit between machines and into small spaces.
source: https://www.ducksters.com/history/us_1800s/child_labor_industrial_revolution.php
Answer:
It had an advanced system of writing.
Explanation:
The Harappan civilization writing system is one of the biggest mysteries. The writing of the Harappan people has been found on the seals, copper tablets, copper/bronze implements, pottery, and other miscellaneous objects. Most of the inscriptions are short, with five signs. The writings have made it difficult to sort out the writing of the early period a the language lost after its decline.
The answer would be.....Primary source
They differ because they are 2 different constitutions.
