A war instigated by a major power that does not itself become involved. for example the cold war and their proxy wars which are Vietnam war, korean war, ect.
A or b there is no wrong answer
Letters A and C. Let us understand why:
European maritime expansion has created new trade routes, connecting many parts of the world, but commercial interest was the main reason.
In the European markets, which flourished during the Late Middle Ages, the sale of spices and other Oriental goods provided very high profits to merchants. Silk fabrics, porcelains and a number of condiments, such as cloves, pepper, and cinnamon, used for food preservation, met a large number of buyers.