Ducal states at that time built walls to defend their own territories. 當時的各個諸侯國為了保護自己的領地而修建城墻。
It is nice to read in these pages that, when ducal families were very good and were even praised by American journalists. 這幾頁里講的東西讀起來不錯，公爵家族好起來特別好，甚至美國的聞記者也稱贊不已。