The Council of Ministers, concerned about foreign infiltration, installed tight controls over the contacts between foreigners and locals, particularly scientists and academic.

In the last three years the Chinese politics of foreign infiltration has been enforced, there are now 7.5 million Chinese and six million Tibetans living in Tibet.

The first was held on 20 October on a popular initiative "against foreign infiltration and overpopulation", and was rejected by voters.

The peasants were further oppressed by high taxes imposed in order to fund the construction of fortifications along the Silk Road and garrisons against foreign infiltration and invasion.

Marxist propaganda depicted Buddhism as superstition, and religion was looked upon as a means of hostile foreign infiltration, as well as an instrument of the 'ruling class'.

The meeting focused on "foreign infiltration."

The second was held on 7 June on a popular initiative "against foreign infiltration", and was rejected by voters.

As members defected to sectarian militias, the army would eventually prove unable to contain the militant groups, rein in the PLO or monitor foreign infiltration.

During World War I, the APL was joined by many similar "secret societies" and groups formed by civilians to fight against foreign infiltration and sabotage.

Toward the end of the Taliban's reign, the evidence of foreign infiltration of the movement's upper ranks was unmistakable.