Complex sentence: Descriptions of matches allow girls to become heroines and presumably acted as wish-fulfilments for readers: in minor examples of the genre, new girls frequently learn to play hockey within a few weeks; and end the term by saving the match for the school.
Split into simpler sentences: Descriptions of matches allow girls to become heroines and presumably acted as wish-fulfilments for readers. In minor examples of the genre, new girls frequently learn to play hockey within a few weeks-ending the term by saving the match for the school.