That is basically the definition of urbanization, might not move specifically for factory work but it is the move from rural to urban leading to urban growth or even overpopulation in the urban setting.
They learned that they could use the media to make their acts of terror, more public. They also learned that attacking certain things of importance, would cause more terror.
<h3><u><em> The Columbian Exchange caused population growth in Europe by bringing new crops from the Americas and started Europe's economic shift towards capitalism. Colonization disrupted ecosytems, bringing in new organisms like pigs, while completely eliminating others like beavers.</em></u></h3>
