# data[].attributes.headline
-Cities grew due to jobs and nobody wanting to work on a farm when machines can do it for you.

# data[].attributes.subject
-Cities grew due to jobs and nobody wanting to work on a farm when machines can do it for you.

# data[].attributes.headline
-labor was eventually organized (unions)

# data[].attributes.subject
-labor was eventually organized (unions)

# data[].attributes.headline
-Laws were enacted to enforce health and safety codes

# data[].attributes.subject
-Laws were enacted to enforce health and safety codes

# data[].attributes.headline
-Employers had a more impersonal relationship with employees

# data[].attributes.subject
-Employers had a more impersonal relationship with employees

# data[].attributes.headline
-Technological changes eroded the balance of power in Europe

# data[].attributes.subject
-Technological changes eroded the balance of power in Europe

# data[].attributes.headline
-Tensions between classes rose.There were huge gaps between the poor and the rich.

# data[].attributes.subject
-Tensions between classes rose.There were huge gaps between the poor and the rich.

# data[].attributes.headline
-soot and smoke in factories creating it hard to breathe

# data[].attributes.subject
-soot and smoke in factories creating it hard to breathe

# data[].attributes.headline
-living so close with no cleaning caused diseases

# data[].attributes.subject
-living so close with no cleaning caused diseases