Original sentence: His book "Seekraft Seegeltung Seeherrschaft" published in 1899 caused a stir of interest in international naval circles as it proposed that mutual interest of the United States and Germany should lead to an alliance against Britain
Edited sentence: His book "Seekraft Seegeltung Seeherrschaft" published in 1899 caused a stir of interest in international naval circles as in it he admitted that the German naval build up was directed at Britain and proposed that mutual interest of the United States and Germany should lead to an alliance against Britain