The correct answer is b. It is used in construction, bridge building, privacy screens, food, and decoration.
Many things in China are built out of bamboo. It grows rapidly and is extremely durable, under right conditions even withstanding what steel can withstand.
I think it's all of them except the first one, Germany was not occupied by the allies :)
http://www.bbc.co.uk/schools/gcsebitesize/history/mwh/ir1/thetreatyrev1.shtml
It was a tradition economy.
