Answer: B. Mrs. Auld was doing something illegal
Explanation:
The idea that was explicitly stated in the passage is that Mrs. Auld was doing something illegal.
From the information given, Mr Auld found out that Mrs Auld was teaching Frederick and he forbade her to instruct Frederick further, by telling her, that it was unlawful, and unsafe, to teach a slave to read. Unlawful means something that's illegal.
The girl used a block of ice as her way to hang herself from the cieling. That is why there were no chairs found at the crime scene and only water.
In the sixteenth century, an age of great marine and terrestrial exploration, Ferdinand Magellan led the first expedition to sail around the world.