COMPETITION
CULTURES
DISEASES
LANGUAGE
WEAPONS
METAL
TRADE
CROPS
LAND
C
R
L
A
N
G
U
A
G
E
V
N
L
A
P
U
Y
V
N
V
Y
I
N
X
D
N
A
L
I
W
L
G
O
K
A
A
B
Z
T
X
N
X
U
G
E
T
B
V
D
B
D
W
M
I
D
I
A
U
O
A
U
I
T
R
A
D
E
H
I
S
L
A
O
F
P
R
U
U
J
G
T
U
S
W
G
P
G
A
A
O
E
N
Q
O
A
D
E
G
F
C
J
J
S
K
N
S
P
O
L
U
A
H
I
L
P
U
C
B
X
S
O
N
U
K
S
U
S
C
O
M
P
E
T
I
T
I
O
N
E
O
O
G
R
U
I
I
N
P
J
H
U
B
S
A
X
U
L
O
E
B
E
V
R
Y
A
N
U
E
O
T
E
F
P
A
I
H
T
E
V
Y
F
X
K
A
Z
N
W
S
Z
A
G
E
A
I
A
J
