Please help with these 2 questions thank you

Why were factories a good source of income? select all that apply. -they produce goods at an exceptionally fast pace. -they build a sense of community among workers. -they often employed low wage earners. -they employed women and children at disgracefully low wages. -labor unions to establish good working conditions.

Which of the following was a difficulty faced by the ottoman empire in the 1700s and 1800s?   a.  financial independence      b.  lack of trained artisans      c.  refusal to trade with other nations      d.  rebelling ethnic groups

Which of the following actions best shows how a historian would study the historiography of the french revolution? o a. reading about how earlier historians wrote about the french o b. creating a map of the important events of the french revolution o c. writing an unbiased history book about the french revolution's revolution leader o d. placing key events of the french revolution in chronological order