Final Answer:
The government of the Qing Dynasty aimed to prevent the British from selling opium in China due to their fear that opium addiction would weaken the Chinese population, making them more susceptible to foreign invasion. So, the correct answer is (b) They feared that opium addiction would weaken their population and make them more vulnerable to foreign invasion.
Step-by-step explanation:
Qing Dynasty's Concerns: The Qing Dynasty expressed significant concerns about the detrimental effects of opium on Chinese society. The rulers feared that widespread opium addiction would lead to physical and social deterioration among the population.
Weakening of the Population: The primary motivation behind preventing the British from selling opium in China was the fear that opium addiction would weaken the Chinese population. A weakened populace was seen as a vulnerability that could be exploited by foreign powers, potentially leading to invasion or domination.
Societal and Political Consequences: The Qing Dynasty recognized the broader societal and political consequences of opium addiction. They aimed to protect the well-being of their citizens and maintain the strength of the Chinese population against potential foreign threats.
Therefore, the correct answer is (b) They feared that opium addiction would weaken their population and make them more vulnerable to foreign invasion.