Describe at least three pieces of evidence that demonstrate the growth of nativism in the United States as the number of immigrants grew.

Let understand that "Nativism" is a concept practiced by a nation protecting interest of the native population of a country over that of the interests of immigrants.

There are significant difference between "Nativism" and "Racism".This practice manifested in US in the 1830s & 1840s where many Americans developed nativist sentiments towards Irish immigrants.

Some evidence that demonstrated growth of nativism are:

When Ohioans called the people of German descent "traitors" because they shown no interest in war during World War I.During the Congress system, law were passed to limit immigration. Up till date, there are still various discrimination against immigrants in the country.

Learn more about Nativism here