Trade flourished because these progressing empires were developing new ways to produce products and utilize agriculture in their areas, such as Han with silk and Rome with olives and fishing/seafaring. These empires has never had access to goods that were from other areas before the Silk road, causing trade to become immensely popular and relied upon.
Communication Trench links the Front Line and First Line Support Line Trench supports Trench.
The Glorious Revolution, also called the Bloodless Revolution, was when Parliament overthrew King James II and installed his daughter Mary and her husband William as the new rulers of England.
I personally think that the answer would be B. People tend to disregard land they do not own because when someone owns land they want it the cleanest it could possibly be, When someone does not own the land they tend to think that if they don't own the land they can treat however they want.