Sacco and Vanzetti were immigrants, anarchists and they were convicted of murder.
Sacco and Vanzetti were immigrants in the United States from Italy, they are believed to be followers of Luigi Galleani, an Italian anarchist. Gallenist group was on top of the united states' dangerous enemies list.
The answer to your question would be letter C.
The neutrality proclamation stated that state/states wanted to stay neutral. This means they didn't want to take sides. Hope this helped
That they have the right to rebel.(if my memory serves me correctly)