40. Middle Ages: time of European changes from about A.D. 500-1450.
41. Obey: to follow orders
42. Taxes: money paid to the government
43. Repair: fix
44. Merchants: people who buy, sell, and trade
45. Literature: written stories that are lasting
46. The past: time that is done, history
47. Dark Ages: hard years in Europe with no education or safety
48. developed: created, made
49. warrior: soldier, fighter
50. Charlemagne (shar la main): warrior who united all of Western Europe together
51. Pope: the head of the Roman Catholic Church
52. invaders: people who try to take over land
53. Vikings: sailors, invaders from North Europe
54. Explorers: travelers looking for new land
55. tribe: a group of people with similar customs
56. influence: power and effects on someone
57. Normans: tribe that ruled England and left new culture and languages
