For Native Americans, land was not privately owned. Land was for common use of the tribe. Disputes over land were not between members of the same tribe. Often the land and territory disputes were between rival tribes in an certain area or region. Things like food collection and raising children were whole tribe activities, not solely up to the parents. Life was more communal.
Prospective voting is a theory of democratic elections where the voters choose what the government will do in the future by choosing a political party with clear stances on issues.
Similar-- composition of lyrical poetry based on themes found in life like love and tragedy.
Difference-- Singer/songwriters work for a large media audience whereas troubadours worked for the court.
Singer/songwriters and troubadours express emotion and stories through lyrics that are often written in poetic measure. They express the themes of society through their songs. These songs are for entertainment, dance, and expression of love, sadness, or other emotions.
However, singer/songwriters today work for a media audience with purchasing power. They must appeal to all people to sell their product. Troubadours were often employed by the royal court and must appeal to the court. They were smaller in scale for the scope of their lyrics as they worked in villages and local royal events.