Answer:
The development of urban centers, script on seals, advancement of technologies and urban sanitation systems.
Explanation:
The development of urban centers, script on seals, advancement of technologies and urban sanitation systems are the features of the Indus valley civilization which make it unique in the history. They developed urban centers where people comes from surrounding areas for trade. They also used advance technology of measuring length and mass. They also formed the world's first known urban sanitation systems.
a person considered racially or socially inferior. hope this helps
Answer:
they faced hardship at valley forge
Because there are a lot of people who go there and there is a lot to see.
