To make money.
There was money in it.
Is this a question? William Shakespeare did write his plays.
It was his job, or one of his jobs. Shakespeare was paid to write plays.
Yes
William Shakespeare died in 1616.
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37
Yes.
William Shakespeare wrote 38 plays. They are divided into comedies, histories and tragedies. See the related question for a full list of his plays.
Shakespeare wrote all his plays in England. They are not all set in England, though.
38
He also wrote poems.
Write poems, stories, and plays.