Discuss the significance of Queen of Hearts in Alice's Adventures in Wonderland.

Nasty, brutal, and loud, the Queen delights in ordering executions, although everyone seems to get pardoned in the end. The people of Wonderland are terrified of her. Although Alice initially thinks she is silly, she grows frightened of her. In the end, however, a giant-size Alice is able to stand up to the Queen's temper and her threats.