Describe the features of the indus valley civilization which make it unique in the history of ancient India

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.

in its entirety, the "final solution" called for the murder of all european jews by gassing, shooting, and other means. six million jewish men, women, and children were killed during the holocaust—two-thirds of the jews living in europe before world war ii

2686-2181 bce-- "egyptian civilization developed along the nile river in large part because the river’s annual flooding ensured reliable, rich soil for growing crops."

1069-664 bce-- "ancient egyptians developed wide-reaching trade networks along the nile, in the red sea, and in the near east."