This document provides background information on Japan's history, politics, and economy. It discusses Japan's early isolationist policies and influence from Chinese culture. It describes the imperial system and periods of military rule by shoguns. In the modern era, it covers Japan's industrialization, World War II defeat and occupation, and post-war economic recovery. It also summarizes Japan's political system as a parliamentary democracy, and outlines opportunities and challenges for doing business in Japan's large market.