According to his speech, the instant Frederick Douglass stepped on the shore of England and looked in the faces of the crowd, he saw in ecery man a recognition of his manhood. What did he notice a "perfect absence" of?

The thing which he noticed was a "perfect absence" of is:

This refers to the ownership of humans by other humans where they have masters and are under another's rule, without rights or freedom.

Based on Frederick Douglas's speech, he talked about his visit to England and how he saw that everyone is equal.

Read more about Frederick Douglass here:

link

He noticed "a  perfect absence, of everything like that disgusting  hate with which we are pursued in this country".

Explanation:

In his speech "Abolition Fanaticism in New York", Frederick Douglass recounts how he had gained his freedom and went to England where there are freedom and liberty for all, not only the whites but also for the black people. His speech particularly contains his work towards trying to help free his fellow black people from being oppressed by Whites especially in America.

He stated that his purpose in coming to America and giving a speech is to try to help his fellow human beings being put under a master. He recounts how his very first experience in England was way greater as compared to his life in America. In England, he was recognized as a human being, as a man of his own, unlike America where he was looked as a slave and treated so. In his own words, he said "I saw in every man a recognition of my manhood, and an absence, a perfect absence, of everything like that disgusting hate with which we are pursued in this country." This is the difference between America and England, which he wants his other black fellow men to be able to enjoy- the freedom of being recognized as a man and not a slave.

they died because of a disease during the first spanish colonies.