Why did confucianism become a big part of the educational system? How did this impact government?

Confucianism also became a big part of the educational system. So much so that officials had to master Confucian principles in order to pass the civil service exams for government employment. Because of this, Confucian ideas influenced Chinese government for centuries.

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Britain regulated froeign trading with china as a result of the Treaty of Nanjing.

The Treaty of Nanking was a peace treaty which culminated the First Opium War (1839–1842) between the United Kingdom and the Qing dynasty of China on 29 August 1842.

The primary objective of the treaty was to change the framework of foreign trade imposed by the Canton System, which had been in force since 1760.