Original sentence: Currently, it is estimated that only between ten and thirty percent of marriages in Japan are arranged.In 16th century Japan the practice of miai emerged among the Samurai class to form and protect strong military alliances among warlords to ensure mutual support
Edited sentence: As of 2007, it is estimated that between 10-30% of marriages in Japan are arranged.The practice of miai emerged in 16th century Japan among the Samurai class to form and protect strong military alliances among warlords to ensure mutual support