Black argued against the majority opinion by stating that the school is
not a platform for free speech. This is an attitude that has been
continued into the legal system today, to prevent the school system
becoming a legal and governmental playground.
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Mythos<span>
Mythos is proof based on the traditions identity and values of a group</span>
First example: anecdote. The example suggests a narration, particularly through the words "outcome; left alone; etc". The situation also shows that either what preceeds or follows is a experience, that is an action.
Second opinion: expert opinion. This kind of supporting evidence is usually given by professionals, in this case a doctor. The word 'helpful' suggests it is an opinion rather than a fact.
Third example: fact. The use of the present simple tense and the fact that the information is specific shows that it is a fact.
Fourth example: emotional appeal. This kind of supporting evidence uses a variety of words full of emotion. In this example, emotional words include "pledge; striving; and vulnerable". The example appeals to emotions, which is the purpose of this type of evidence.
The answer is before because after a quotation you put the period befkre adding the quotation marks
hope it helps