Answer: a sum of money granted by the government or a public body to assist an industry or business so that the price of a commodity or service may remain low or competitive.
Explanation: In the vernacular : It is an amount of money from the government or other public service that is given to assist a business or industry so that the price of something valuable can remain a low price or at a competitive price.
Crusades, many European who went to Jerusalem to fight for the holy land would end up bringing home goods like spices and fabric. This would open up Europe to all new types of foods, materials and ideas about medicine and science.