What were 2 majors evidences of american resentment toward immigrants and blacks in the 1920s

1) Leo Frank, he was a Jewish entrepeneur accused of raping a 13 year old girl (Mary Phagan) he was lynched by a group called the knights of Mary Phagan even though Leo was innocent.

2) Jim Crow Laws, they segregated blacks by many different ways like not being allowed to eat at certain restaurants of not being allowed to use "white only" water fountains.