Matched context for migration and expulsion

The page lists matched contexts for migration and expulsion.

Share - migration	Share - expulsion	Phrase
4.80%	13.56%	prevent {migration or expulsion} [perform operation]
1.75%	16.16%	fuel {migration or expulsion}
2.34%	7.37%	cause {migration or expulsion} [perform operation]
1.56%	9.03%	gas {migration or expulsion}