Why was hemp banned
A. It is related to the marijuana plant. R. k eau be used to produce marijuaua.
C. It was no longer a useful crop. D. It was destructive to the land.

A．It is cheaper to grow hemp than to cut down trees.
B．More paper can be produced from the same area of land.
C．Hemp produces higher quality paper.
D．It causes less pollution of the environment.

A．Canada needs to find a way to use all its spare wood.
B．Canada publishes a lot of newspapers and books.
C．Pulp and paper export is a major source of income for Canada.
D．Hemp is a traditional plant of Canad