Animal Farm
Revolution
How does the revolution happen
How does the revolution happen
This is a very broad question. You might want to begin by reading through Gradesaver's summaries and analysis for Chapters One and Two. A direct link to the Chapter One summary is provided below. If you have any further more specific questions, feel free to come back and ask.
http://www.gradesaver.com/animal-farm/study-guide/summary-chapter-i