Answer:
through trade on the silk Road
Think about this, imagine fearing to go out into the streets because you might get attacked. Imagine the only purpose of your existence was to clean, make babies, and respect your husband. That was the life of Woman before the Woman's rights movement. As you can see we have came a long way from then but some people still think that way. Society felt as if Woman weren't as good as men. they thought that Woman couldn't do anything except care for their husband's.
The collapse of the Indus Valley Civilizations can be attributed to the following factors. One, the trade networks declined and disappeared. This meant less work for traders and manufacturers. Two, changes in geography that caused the rivers to either dry up or change direction Three, the people abandoned the major cities. Four, without trade and access to water, people succumbed to disease and starvation.
The major downfall of the Articles of Confederation was simply weakness. The federal government, under the Articles, was too weak to enforce their laws and therefore had no power. The Continental Congress had borrowed money to fight the Revolutionary War and could not repay their debts.