Ida Tarbell wrote The History of The Standard Oil Company
To stop immigration =APEX
Before railroads, everyone used the sun as their source of time. With railroads, people needed a standardized time system because of shipping and settlers moving from east to west because the sun rises and sets a different times on both sides of the U.S.
Nativist groups wanted to restrict immigration.
Mexican immigrants came into the country.
political cartoons
Many people got sick and died.
push factor
Elsewhere.