Which of the following contributed to the rise of nativism in the 1920s?

The rise of nativism in the 1920s was caused mainly by Immigration. the massive influx of "new" immigrants scared most of the population. then after WWI Americans were even more afraid that immigrants from war torn Europe would leave to start new lives in America. they did not want the immigrants to take their jobs. but so many new jobs were being made available in this time period that it was innevitable.   pls mar   branliest

Explanation:

the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.