European immigration changed America's overwhelmingly Protestant perspective by the early 1900s in many ways, one of which led to religious tolerance among the protestants.
The other effect is the idea of secularism became widespread in the United States.
This is evident in the fact that the Protestant belief or view in America before the 1900s is centered on the idea of controlling the American culture and fighting against secularism.
However, with many European immigrants coming into the United States around the 1900s with different religious ideologies and socioeconomic and political beliefs, the notion and ideas of a typical American Protestant changed over time.
Hence, in this case, it is concluded that the European immigrants changed the perceptions of typical American Protestants.
Learn more here: brainly.com/question/24585675
The Louisiana Territory from Napoleon; half a billion, 3 cents an acre
The Marshall Plan (officially the European Recovery Program, ERP) was an American initiative to aid Western Europe, in which the United States gave $13 billion (approximately $130 billion in current dollar value as of August 2015) in economic support to help rebuild Western European economies after the end of World War
Quakers participated in the early fight for human rights because the Quaker religion finds value in all of humanity. Quakerism supports the dignity of people and states that all humans have an "inner light" which comes from God. Therefore, Quakers historically have been very involved in human rights and social justice work more generally because of their faiths grounding in humanism and the value in all of humanity.