Is there such a word as (ain't) and should it be used as proper english

In the five stanzas of this poem. the speaker observes and participates in five american scenes. describe the scene in each stanza. what emotion does each scene evoke?

The colonists had difficulty coming together to revolt because they

What do the excerpts have in common? both point out the tragic nature of situations in which children make journeys without their parents. both describe what immigrant children must do to survive when traveling to the united states. both explain why most children want to leave central america without their parents. both indicate the tragic problems and their consequences that children in central america must face.