unit 6.0-6.3

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XZMFARMINGMPBBFIREDS NEABEFORECOMMONERAIU OPPFUAMWXTRNAIGNSRAR IBQPVSGNXUTVAWSVTIRP TBYOABWEABDFRXTINLEL AOQSGAETNMFPETDLDENU ZKVCIRCANYODNZXLOUOS IXRLSGGNOZFXONGAMKMN LORDUTENDUQAMRNGENMH AKKKFMRCOZOXMEIESFOU IHVCXRZLMARAOTHSTHCL CXDEYNNFIHXRCLTSIUER EYVSVJOPNRUBREOTCNRE PPKSMQMUIAGNJHLNATOT SSIVARAAPSZSDSCATIFR ZWECZDDVKLYMNRTLINEA HUTGFKSCAOMJGBEPOGBB ACGIXZGJFOLWYPBDNEWP GIUQRTMGSTGWWYEDBUVH HQRPYEMMMVXVOPCEOOCV
1.
Beforecommonera
2.
Annodomini
3.
Beforecommonera
4.
Commonera
5.
Circa
6.
Ten
7.
Hundred
8.
Nomads
9.
Tools
10.
Fire
11.
Shelter
12.
Hunting
13.
Plants
14.
Farming
15.
Domestication
16.
Barter
17.
Surplus
18.
Villages
19.
Specialization
20.
Clothing