Which of the following factors contributed to the rise of the middle class during the industrial revolution

The california gold rush: actually had only a small impact on california’s population because its rich farmlands already attracted thousands of new settlers each year. attracted almost equal numbers of men and women. resulted in laws that discriminated against “foreign miners.” made considerable wealth for average miners because gold mining demanded no real investment of capital. hurt the development of san francisco because gold discoveries shifted interest to areas outside of town.

Which artificial waterway allows the passageway allows the passage of boats between buffalo and albany ( new york) and, eventually, the atlantic ocean? a. erie canal b. suez canal c. panama canal d. ontario canal

According to the map, which of these places were part of the french empire or allied with france at some point? select all that apply. spain great britain russian empire austrian empire prussia