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.
by creating a mass culture
hope this helps:)sorry if it doesnt
Answer:
D, oil was discovered on the Arabian peninsula.
I believe it was Austria.
The second choice mentioned above exposed the element that caused the British to surrender at Yorktown George. The troops of Washington outnumbered the British soldiers by two to one, referring to August 27-29, 1776. The army was defeated completely, and that is the main factor.