Interstate Commerce Commission investigators seized records from all the mail carriers on September 28, 1933, and brought about public awareness of what became known as " the Black Committee . " The special Senate committee investigated alleged improprieties and gaming of the rate structure, such as carriers padlocking individual pieces of mail to increase weight.
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Brownlee notes that " although civil disobedients are constrained in their use of coercion by their conscientious aim to engage in moral dialogue, nevertheless they may find it necessary to employ limited coercion in order to get their issue onto the table . " The Plowshares organization temporarily closed GCSB Waihopai by padlocking the gates and using sickles to deflate one of the large domes covering two satellite dishes.
