Answer:
Nativist groups
Explanation:
Nativism within the United States was a constant presence in the formative years of its history. This form of thinking can be perceived in the way we know it during the turn of the nineteenth to the twentieth century. The principles of social Darwinism, coupled with the constant influx of immigrants into ever-increasing numbers, helped to bolster the thought that immigration was harmful to the values of American society.
