2+Group+5

 Inventions-Late 1800s (2-5)

 Monopolies (2-5)

Robber Barons,Captains of Industry,Entrepreneurs (2-5)

 Immigration (2-5)

 Strikes (2-5)

Urban Renewal (2-5)

 Political Machines (2-5)

Progressives,Muckrakers (2-5)

1912 Presidential Election (2-5)