Simplify the following text for a Grade 12 native English-speaking person.
Original: The anthem of the British Union of Fascists was set to the same tune , and its lyrics were to some extent modelled on the Horst-Wessel-Lied , but appealing to British nationalism rather than German nationalism .
Simplified: One of the marching songs of the British Union of Fascists was set to the same tune , and its lyrics were to some extent modelled on the Horst-Wessel-Lied , though appealing to British Fascism .