Answer:
These statements are correct:
3. derived some benefits from the economic developments of the period.
4. could usually find steady work even though wages were low.
Explanation:
Between 1865 and 1900, the United States became an powerful industrial nation were hundreds of thousands of industrial businesses were founded. This provided jobs for an abundant force, both native-born and foreign born.
Wages were low though, and working and living conditions were often brutal, but slowly, most working class people improved their economic conditions as the country developed.