Why did japan feel the need to expand their borders in the 1930's?

Lack of materials

Explanation: Japan needed materials which was a majaor factor in why they invaded manchuria as a means to get much needed material to help Japan industrialize as Japan is not very rich in iron ore and other materials and as ww2 dragged on Japanese iron was described as iron sand because it was low quality and full of impurirties as the only way to keep a matrial carce Japan alive was to cut back on quality

in february 1787, congress decided that a convention should be convened to revise the articles of confederation, the nation’s first constitution. in may, 55 delegates came to philadelphia, and the constitutional convention began. debates erupted over representation in congress, over slavery, and over the new executive branch. the debates continued through four hot and muggy months. but eventually the delegates reached compromises, and on september 17, they produced the u.s. constitution, replacing the articles with the governing document that has functioned effectively for more than 200 years.

the new jersey plan most resembles the articles of confederation.