Complex sentence: At Glinda's palace, the travelers are greeted warmly, and it is revealed by Glinda that Dorothy had the power to go home all along: the Silver Shoes she wears can take her anywhere she wishes to go.
Split into simpler sentences: At Glinda's palace, the travelers are greeted warmly, and it is revealed by Glinda that Dorothy had the power to go home all along. The Silver Shoes she wears can take her anywhere she wishes to go.