1.   Hemp cultivation was particularly difficult.

2.   Hemp cultivation remains illegal in America.

3.   Myer said hemp cultivation is still forbidden because law enforcement agencies mount fervent opposition.

4.   Organizers of the expo and most vendors insist that the impetus to legalize hemp cultivation is separate from movements to legalize marijuana for medicinal or recreational purposes.

5.   The resistance to legalized hemp cultivation, he said, stems from the confusion of industrial hemp and recreational marijuana.