Rice was grown along the banks of the Yangtze River
That is because Californian state law allows sales of Medical Marijuana, and they can't prove that the sales were illegal and that there were problematic things included because it's legal in the state.
B. an agreement to boycott all British imports
Chemical weapons
Both sides developed lethal forms of chemical welfare that resulted to death of thousands in the trench war.Germany was the first to employ chemical weapons and it is estimated that over 10,000 tonnes of chemical gas, lethal and poisonous was blown.
The answer to the question was is c