You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "when was the salt tax imposed by the british government?" whose answer is 1759.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when was the salt tax imposed by the british government
Useful Output:

Doc 1: Salt-tax is a government-imposed levy on salt, criticized for oppressing the poor in Southern India, highlighting British control over
Doc 2: In 1882, the British government implemented the Salt Act which prohibited Indians from collecting or selling salt, forcing them to buy salt
Doc 3: To generate revenue, the British Raj placed a tax on salt in India.  In an act of civil disobedience, Mahatma Gandhi led a Salt March
Doc 4: Salt has historically been a subject of law. This stretches back to the beginnings of British rule in the 1760s and later, through another law that became a
Doc 5: The taxation of salt dates as far back as 300 BC, as salt has been a valuable good used for gifts and religious offerings since 6050 BC. As a result of the