Teddy Roosevelt if you're talking about Theodore Roosevelt.
Historians views influence how they interpret the past. This explains the existence of different schools of thought and different approaches to historical interpretation.
It resulted in a lot of things.
Mass production of things led to a boost in the economy and employment rate, but also affected it in many negative ways as we experience today. Things like global warming and climate change have all been a product of mass production.
IN THEIR CROSS-COUNTRY TRIP TO THE PACIFIC OCEAN, MISSOURI, KANSAS, NEBRASKA, IOWA, NORTH AND SOUTH DAKOTA, MONTANA, IDAHO, OREGON, AND WASHINGTON.
HOPE THIS HELPED!