Please help! im very bad at writing

Which techniques best describe the tone the author is using in this passage?

Which historical detail can best clarify a reader’s understanding of the information in the excerpt? immigrant factory workers who spoke the same language were separated from each other at work. immigrant factory workers who spoke the same language were known to talk too much at work. immigrant factory workers had to pay rent for their chairs and the supplies they needed at work. immigrant factory workers were crowded into unsafe buildings with locked doors and fire escapes.

Plzzz me needs a hyphen or no hyphen 1. laura, a friendly little girl, says hello to everyone she passes 2. my uncle is well known jazz musician 3. our school's winning football record is welll known 4. the angry looking woman was having a heated discussion with the store manager.