This «communication masking» shuts down natural whale behavior across great distances; constant agitation over time may drive out the whales from a region entirely. (sciencemag.org)
This they tried to do by constant agitation in the English Government, by the appointment of so - called Puritan «lecturers» who would preach their views each Sunday afternoon, and by constantly protesting against the worship of the English Church. (religion-online.org)
There was constant agitation within the Methodist ranks to overcome these differences, but every such attempt was looked upon by the bishops as dangerous and radical. (religion-online.org)