nation [Noun] + improve [Verb]

Strength Strength Dispersion
A:
12
CHISQ:
6.79
AWT:
6,454,231
TTEST:
1.8
G2:
6.71
FAWT:
8.42
MI:
1.06
LOGLOG:
3.8
JD:
0.66
MI3:
8.23
DICE:
0.14
RANGE: