History

2. the activity of buying and selling, or exchanging, goods and/or services between people or countries.
5. human society with its well developed social organizations, or the culture and way of life of a society or country at a particular period in time. ruins
6. someone who writes about or studies history
8. someone who studies the buildings, graves, tools, and other objects of people who lived in the past
9. a male ruler of an empire.
10. a place where something is, was, or will be built, or where something happened, is happening, or will happen.
12. a collection of objects that is shown to the public in a museum, etc
13. a large stone structure or underground room where someone, especially an important person, is buried
14. the situation of two or more people working together to create or achieve the same thing.

1. to keep something as it ito prevent it from decaying or being damaged or destroyed
3. a large strong building, built in the past by a ruler or important person to protect the people inside from attack
4. a place, building, etc. that is in ruins has been extremely badly damaged.
7. a fight between armed forces
8. an object that has been made by a person, such as a tool or a decoration, especially one that is of historical interest
11. to build something again that has been damaged or destroyed