The Anglo -Saxon supremacy was the 19th century philosophy described in this excerpt.
Explanation:
Josiah Strong was the popular protestant clergyman who wrote this excerpt. The book Our country written by him was written with an intention to promote missionary activity by the protestant churches.
This book became very popular and sold very many copies. It was embraced mainly by people, who were convinced that the Anglo-Saxon race was the saviour of the world, and they had the right to dominate the world and eliminate all the savage races in the world.
He believed that it was God , who was training the Anglo-Saxon race to dominate the world.