How did Daniel get out of the lions' den?

Did Daniel the prophet have a wife?

Why did Daniel refuse to eat the King's food?

I can imagine it to be disrespectful to refuse a King's offering of food. Why did Daniel not eat as expected to?

What does the goat symbolize in the bible?

What was the biblical meaning of a goat, and why were they sacrificed?

What does a ram symbolize in the bible?

How many kingdoms did Daniel serve?

Who were the Kings during Daniel's time, and which did he serve?