No there are no more than 20 categories of bias
Answer:

lots of languages ┐( ̄ヘ ̄)┌ my teacher can speak!!!
Answer:
Explanation:
Line 61-81. The opposing view that king addresses in his counterargument is about how America will never change and be truly free from slavery until the people before us let it go as well.
Between lines 82–87 the effect of Martin Luther King mentioning his Nobel Prize is to explain why he is against the Vietnam war after people started questioning his opinion on the ending of the Vietnam wa
Answer: Hall knew that growing outrage among the American public would help Britain's cause.
Explanation: According the the excerpt, it says that "Hall reminded them", thus saying that Hall was not in favor of waiting before presenting the telegram.
Hall didn't want to wait until American outrage simmered down before revealing the contents of the telegram. No where in the excerpt does it hint this.
Hall wasn't worried that the Americans would lose interest in the contents of the telegram. The telegram contained information that would alert the Americans of a possible attack from Mexico.
Hall did disagree with the waiting, but the excerpt is hinting that Hall wanted to use the telegram to gain supporters for Britain against the Germans.
Cheers
(If I'm wrong, then the answer is that Hall disagreed with the British government's choice to wait before showing the telegraph to Wilson)