The began in 1871 and continues today as a leader in professionalizing police officers and police agencies.

The best answer for this statement would be:

Police Force

The character and training of the police force that we know today, derived from a municipal police officers that after the civil war, had incorporated their character and training to the police force til’ the present.

Explanation:

The Police Force began in 1871 and continues today as a leader in professionalizing police officers and police agencies.

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.