I know that the answer is D. Because It wouldn't be A because the new inventions DEFINATLY didn't make work more complex and not b because it was not slower AT ALL and not c because it wasn't more consuming.
The Japanese economy of the 1920s suffered from a retrenchment after the boom of the First World War. For most of the decade, the real economy remained dull, with low economic growth, mild deflation, and an unsettled financial system.
Secession (derived from the Latin term secessio) is the withdrawal of a group from a larger entity, especially a political entity, but also from any organization, union or military alliance. Threats of secession can be a strategy for achieving more limited goals.
The most famous secession movement was the case of the Southern states of the United States. Secession from the United States was accepted in eleven states (and failed in two others). The seceding states joined together to form the Confederate States of America (CSA).