How did japan’s geography affect its relations with neighboring countries in the 1930’s a. because most of the country is made up of flat plains, japan was the leading exporter of rice in asia b. because japan was an island nation, it had to rely upon the korean and chinese navies for assistance. c. because it lacked resources, japan occupied china and info china to secure agricultural land, coal, and iron d. because of japan’s rich supply of silkworms, it was invaded and occupied by china