In the 1800s, the music of stephen foster became most readily available to the widest possible audience as a result of:

availability of sheet music

This was music that waspublished in single or interleaved sheets, and not bound. It comprised printed music as opposed to performed music. It uses musical symbols to indicate the pitches , rhythms or chords of a song or instrumental musical piece

the answer to fill in the blank in this question would be the word resource, it is defined as the money, material or people (since human resource is a very valuable good) that a company or a person has at disposition (meaning they can use the resource as they see fit), to be able to complete a task or achieve a goal.  

they had more african americans than any other state.

hope this , have a good day. c;