Answer:
Explanation:
John Calvin was a French theologian, pastor and reformer in Geneva during the Protestant Reformation.
The main cause of the armed conflict between Great Britain and China was related to the trade of Opium. China tried several times to stop illegal commercialization of the drug by foreign traders, among which the British played a key role.
Confrontations rose as both nations took retaliation against each other. China destroyed a large opium cargo stored in a warehouse, causing a growth of antagonism. These wars are known as 'Opium Wars'.