The Japanese believed that the solution to their economic problems was to use military force to gain control of lands that were rich in resources. Through a series of military conquests, they gained economic and political control over territories that were rich in natural resources. Following the outbreak of World War I in 1914, the Empire of Japan declared war on the German Empire and quickly seized the possessions of the German colonial empire in the Pacific Ocean (the Northern Mariana Islands, the Caroline Islands and the Marshall Islands) with virtually no resistance.
Kamikaze aircraft were essentially pilot-guided explosive missiles, purpose-built or converted from conventional aircraft. Pilots would attempt to crash their aircraft
The banknote (also known as paper money or note) was one of them. Marco Polo was particularly surprised when he first encountered it. Banknotes were not made out of paper, but out of the bark of the mulberry tree. Other products or inventions included the compass, the gunpowder and the printing.
