Solve these clues to fill the grid.
- A person who lived during the reign of ___ (plural)
- 1 Across
- A plant consisting of one or more buildings with facilities for manufacturing (plural)
- 3 Across
- A district of a city marked by poverty and inferior living conditions (plural)
- 4 Across
- The organized action of making of goods and services for sale
- 5 Across
- Study of what happened in the past
- 7 Across
- A person who is owned by someone (plural)
- 8 Across
- Prince consort of Queen Victoria of England
- 9 Across
- Place where students learn
- 12 Across
- A ___ where ___ is dug from the ground (plural)
- 2 Down
- A person working in the service of another (plural)
- 6 Down
- A group of countries under a single authority
- 10 Down
- Job or effort to get something done
- 11 Down