(a) political action (voting, city council meetings, writing to a congressman)

(b) civil action (rallies, protests, community organizing, civil disobedience)

(c) work action (send an email, post on internal slack channel)

(d) public relations (letter to an editor, an op/ed in local paper, getting a local news station to cover the issue)

is (c) the most effective for achieving the desired results?