Japan improved foreign trade throughout the meiji restoration was thoroughly associated to its aspiration for a modern industrialized society. During the age of imperialism, japan felt the pressure to westernize in order to compete with other nations. This move was necessary in order to prevent japan from being the victim of european imperialism. During the meiji restoration the Japanese were involved in foreign trade and wanted to industrialized. At this point, japan looked to break away from its traditional society. Economic and social changes paralleled the political transformation of meiji period. Even though the economy still be influenced by on agriculture, industrialization was the main goal of the management which focused the improvement of planned industries, transportation and communications.
The kingdom went into decline from the mid-16th century CE when the Portuguese, put off by the interference of Kongo's regulations on trade, moved their interests further south to the region of Ndongo. The latter kingdom had already defeated a Kongo army in 1556 CE