The first reason the benefits of the Great Wall outweigh the costs is trade increased. For example, many imports from many other nations were brought into China (Document D). Due to the construction of the wall, China received more goods from a greater amount of dynasties and nations, furthering their supply of helpful resources like medicine, whereas prior to building the great wall, China wasn’t this exposed to these goods. In addition, Silk Road trade increased after building the wall (Document D). After the wall was built, trade made on the Silk Road went up which is very significant since it was a large trade route, which meant it was a primary trade resource while before construction, trade wasn’t big compared to post construction since
