The 1800s was a time of great , including the light
bulb by , an electric train lamp by Lewis
Latimer, and the telephone by .
The two leading industries at the time were steel making
and oil production. started new steel mills,
and went into oil refineries. Large
businesses, or , were developed. Some
corporations had complete control of entire .
The Rise of Unions
worked in many of the factories of these new
industries. They worked long hours under dangerous health
conditions and were paid low wages. In 1911 the Triangle
Shirtwaist factory in New York burned, and 146 women and girls
were trapped in the and died. To fight for better
working conditions, workers began to organize into groups
called . Samuel Gompers founded the American
Federation of Labor, which helped to get labor laws passed that
ended child labor, shortened work hours, and made employers
pay for injuries on the job.