Dissatisfied with the compartmentalization of studies concerning strikes, wars, revolutions, social movements, and other forms of political struggle, McAdam, Tarrow, and Tilly identify causal mechanisms and processes that recur across a wide range of contentious politics. Critical of the static, single-actor models (including their own) that have prevailed in the field, they shift the focus of analysis to dynamic interaction. Doubtful that large, complex series of events such as revolutions and social movements conform to general laws, they break events into smaller episodes, then identify recurrent mechanisms and proceses within them.