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: "what caused the bread riots in richmond in 1863?" whose answer is drought.
Each document should contain about 30 words, and these documents should contain useful information.

Query: causes of bread riots in Richmond, 1863
Useful Output:

Doc 1: In the summer of 1863, riots erupted in New York City over new laws that drafted more men into the Union Army. Working class immigrants were
Doc 2: Gaunt, hungry women—several wielding weapons—took to the streets of Richmond, Virginia, on April 2, 1863, to protest food shortages, hoarding,
Doc 3: The swollen population of the Confederate capital was then suffering from want in general and hunger in particular. Inadequate railroads could
Doc 4: The Richmond Bread Riot broke out during the Civil War when working-class women in the South became fed up with food shortages.
Doc 5: 4 On April 2, 1863, six days after Jefferson Davis issued a national day of fasting, the largest uprising of the Southern springtime food riots took place in