Which inventions had the greatest impact on trade in china during the middle ages? (pick 2 or 3) 1.the water-powered clock 2. woodblock printing 3. the compass 4. gunpowder 5. paper money

 The correct answer is : 4. gunpowder and 5. paper money

Explanation:  The powder began to be used to make firecrackers, fireworks and flares to make signals. Then they invented weapons to use in war, in rifles and rockets.

Paper money has several advantages over the currency, it is more comfortable, a bill can replace several coins, it is lighter than the metal coins, but in itself the paper currency has no value as the coins were gold and silver.

barrio is a spanish word meaning neighborhood. in spain, several latin american countries and the philippines, the term is also used officially to denote a division of a municipality while a ghetto is a part of a city in which members of a minority group live, typically as a result of social, legal, or economic pressure. the term may have originally been used in venice to describe the part of the city to which jews were restricted and segregated.