The Opium Wars were a series of wars between Chine and Great Britain. It started when Chine started to refuse the shipments of Opium. The war was a fail for China, this means that answer A, C, and D are wrong. The only answer left is B. Please contact me if you want more information on the opium war.
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Psychology is the correct answer
The answer is
d) voting and employment
The first lines talk about giving the right to vote to an individual despite making a mistake in trying to vote as long as his mistake is not a result of his inability to select a proper candidate
The last lines talk about giving equal opportunity to an individual to be hired for a job regardless of race, sex or national origin.
There are many possible answers for this one! Only the national government can e.g. manage foreign relations, declare war or oversee trade between states and with other countries.
