Which countries sent the most immigrants to america between 1860 and 1900?

a.
china and japan

b.
italy and spain

c.
germany and ireland

d.
russia and poland

12which best describes how civil rights workers were treated during the freedom summer campaign? many workers were ignored. some workers were arrested or killed. some workers were treated well. o a few workers were warned to leave.-tshp---s1-mark this and returnsave and exitnextletvldoll