> What was the effectiveness of these forts? James Burke covered this a bit in episode 9 of Connections (about 4 minutes in): https://archive.org/details/jame

> What was the effectiveness of these forts? James Burke covered this a bit in episode 9 of Connections (about 4 minutes in): https://archive.org/details/james-burke-connections_s01e09 https://archive.org/details/james-burke-connections_s01e09