Main article: History of East Asia China was the first region settled in East Asia and was undoubtedly the core of East Asian civilization from where other parts of East Asia were formed. China's impact and influence on Korea began with the Han dynasty's northeastern expansion in BC when the Han Chinese conquered the northern part of the Korean peninsula and established a province called Lelang. Chinese influence would soon take root in Korea through the inclusion of the Chinese writing system, monetary system, rice culture, and Confucian political institutions. Starting from the fourth century AD, Japan incorporated the Chinese writing system which evolved into Kanji by the fifth century AD and has become a significant part of the Japanese writing system. Written Chinese gained prestige and aspects of Tang culture such as poetry , calligraphy , and landscape painting became widespread. Commodore Matthew C.
In , the Meiji Constitution was adopted in a move to strengthen Japan to the level of western nations, resulting in the first parliamentary system in Asia. Members of the House of Peers were made up of the Imperial Family , the Kazoku, and those nominated by the Emperor,  while members of the House of Representatives were elected by direct male suffrage. It replaced the previous Imperial rule with a form of Western-style liberal democracy. He is defined by the Constitution to be "the symbol of the State and of the unity of the people". He has no real powers related to the Government as stated clearly in article 4 of the Constitution. While the Cabinet is the source of executive power and most of its power is exercised directly by the Prime Minister , several of its powers are exercised by the Emperor. The powers exercised via the Emperor, as stipulated by Article 7 of the Constitution, are: Promulgation of amendments of the constitution, laws, cabinet orders and treaties.