Which best explains the cause of the Everett Massacre in 1916? Union members clashed with police who were brought in to break up the strike.
Several World War I veterans violently confronted union members.
The Russian Revolution inspired workers at a lumber mill to revolt.
Union members revolted against passage of the Espionage Act.

Union members clashed with police who were brought in to break up the strike.

Explanation:

freedom of speech is also protected by the 1 amendment.

explanation:

here is pretty much what the 1st amendment says:

congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the government for a redress of grievances.

ok

explanation: