leaders of industry

In the late 1800's to the early 1900's John D. Rockefeller was the biggest leader of the oil industry. By the end of his career Rockefeller owned nintyfive percent of americas oil industry.At this time in history oil had an ever growing demand, oil was used to heat houses, power cars, and run electric engines. With out the progression of oil consuming inventions american would be consuming other valuable natural resources.

working conditions in the early 20th century

At this time in life, americas labor force was progressing rapidly. During this decade labor unions were just beggining to be formed and the triangle shirtwaist factory fire brought about the issues of the unsafe working conditions that were present in many of american factories. Childern still at this time working as factory workers, miners, and delivery boys with unsafe working conditions.