What was Anglo-Saxonism tied to?

In its most general form, Anglo-Saxonism extolled the traditions of the English people before the Norman conquest, who were themselves usually understood to be the descendants of old Germanic tribes of northern Europe: a people superior to others by virtue of their cultural possession of ethical values, legal

If i remember correctly it was caused by people hurling bodies at a country for some reason and them they all became infected

He issued the emancipation proclamation. it started changing slavery, and eventually lead to the freedom of slaves.