It is a printing press that is being shown, a form of machinery invented by Johannes Gutenberg around 1440 which was based around already invented screw presses. Here, a company, perhaps book or newspaper related, is busy using the printing press to making multiple copies of the same text again and again.
They bring people together to achieve control of thr government,develop policies favorable to their interests or the groups that support them.They also organize and persuade voters to elect their candidates to office.
When the war in Europe ended in May 1945, more than 1 million and perhaps as many as 1.5 million Jewish children were dead