Answer:
The new one-
<u><em>What creates King's "Letter from Birmingham Jail" powerful and useful?</em></u>
<u><em>Is that, This applies power and useful style to convince the pastors. His letter impressed the hearts and morals of the people. In this, he addressed truths about life, respect, and human right for not just blacks, but for all people who faced evil in the world.</em></u>
Explanation:
The Old one-
<u><em>What makes King's "Letter from Birmingham Jail" powerful and effective </em></u>
<u><em>is that it uses powerful and effective diction to persuade the Clergymen. His letter touched the hearts and conscience of the people. In this, he addressed truths about life, respect, and human right for not just blacks, but for all people who faced injustice in the world.</em></u>
