In order to serve students best, school districts need to ask for additional funding. that is the answer.
Generally, swing dance is used only as a noun not a verb. Therefore, the past tense would just be "swing dance." However, if you used it as a verb, you would probably use the past tense of dance, so it would be swing danced.
The subordinate clause here is 'to which another pronoun refers', and it is called a 'relative clause'.
