1930's Japanese New Year Greeting Postcard : Art of Army Paratroopers & Remark on the Wartime National Prestige "Now, Yakushin (progress) matters the most."

"Yakushin" was a popular phrase in Japan in the 1930's. 

It literally means "progress , advance ", and politically refers to expansion of the Empire, that is establishment of Manchukuo and other china puppet states. Japan called it "East Asia Unity", implying anti west.