1.   Modern electronic technologies promote radical individualism, and mass culture controls national leaders much more than national leaders control the mass culture.

2.   For all the extreme control the leader has over followers, there is an implicit exchange relationship between them.

3.   Local PRI unions like the one at the Han Young plant belong to labor federations that are wings of the party, giving PRI leaders considerable control.

4.   Several foundations linked to top political leaders control the remaining shares.

5.   The Republican primary ballot in New York is constructed to give party leaders control over which national candidate gets the most support.