The war served woman in that by women stepping up to take the jobs of men who were fighting, they got the chance to show their strength and independence. The world recognized that women actually could be heroes, or people that could do a tough job. This benefited women and they gained the respect of society, also giving a chance to advance their national rights.
The British won.
Opium War or the Anglo-Chinese War, was a series of military engagements fought between Great Britain and the Qing dynasty of China. Chinese officials clamped down on the banned opium trade, and threatened the death penalty to future offenders, causing offence toward the British government. The British dominated the trade and were much stronger militarily. They defeated the Chinese, and imposed a penalty that gave Western powers special privileges to trade with China.
Chocolate or cacao beans
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They wanted to secure land and legal rights