53. Surplus: having more than you need.
54. Shortage: having less than you need.
55. disappear: not there anymore
56. civilization: a city with people and a government
57. archaeologist: a scientist who digs in the earth
58. isthmus: a small piece of land that connects to larger pieces
59. Hieroglyphics: signs and symbols used by ancient civilizations.
60. Calendar: A system of days and months that create a year.
61. priest: a religious man
62. invent: to make something for the first time
63. peasants: poor farmers
64. swamps: wet areas of land مستنقع
65. abandon: to leave something behind
66. merchants: traders
67. property: something you own ممتلكات
68. Stories: levels
69. pyramid: a large triangle shaped temple
70. huge: very very big
71. enormous: very very very big
72. settle: to stay in one place
73. valley: flat land between the mountains
74. palace: a large house for a ruler
75. terrace: flat land built into the mountain for farming
76. fort: a large building used to save food and weapons
