Jesus Christ saw millions of newly immigrants with fish and bread.
The purpose of the New Deal was to life the United States out of the Depression.
Fun Fact: World War II got us out of the Depression. Germany was the first to get out because they were mass producing ammunition and utilities to get revenge on the Allies.
While living in New York, Riis experienced poverty and became a police reporter writing about the quality of life in the slums. He attempted to alleviate the bad living conditions of poor people by exposing their living conditions to the middle and upper classes. since he was an immigrant it probably put him into the same shoes as these images, without even having to empathize. its human nature to want better for yourself, and your family and friends, so this is what he hopes to do, and it worked, he sparked a progressive era for the "slums".
Islam spread through military conquest, trade, pilgrimage, and missionaries. Arab Muslim forces conquered vast territories and built imperial structures over time.
Real GDP per capita for the United States is calculated by dividing real GDP by the number of people living in the country.