Complex sentence: It rapidly expanded as southern industrialists and businessmen began to see the sports as a status symbol and large areas of estates were designated for hunting and hunting parties became a major part of the life of the Scottish estate house.
Split into simpler sentences: It rapidly expanded as southern industrialists and businessmen began to see the sports offered by Scottish estates as a status symbol. Large areas of land were designated for hunting and hunting parties became a major part of the life of the Scottish estate house.