He came here as the representative of Lord Cornwallis, the Governor General of the Company, to mediate in the dispute between China and Nepal in the context of Sino-Nepalese War (1788-1792). ... Nepal no longer needed the Company to fight out Tibetans and Chinese.
Examples are used to "exemplify" a situation. Hence, we take an abstract theory and we make it more approachable by showcasing some details. Hence, we have that the example makes abstract idea more concrete. The first 2 choices are wrong since they state the opposite. The 3rd choice is rather irrelevant, examples can make it more or less didactic. Hence, the 4th choice is correct.
As a step in the relationship
Amu Darya and Syr Darya rivers
