What were Howard Zinn's main ideas in chapters 4 and 5 of A People's History of the United States?

In
chapters 4 and 5 of ,describes how the American Revolutionary War was essentially a struggle for
power between two political elite groups. The colonial elite and the British monarchy engaged in
a war over control of the American colonies. However, the American revolutionary war leaders
used the anger and discontent of the lower classes of the colonies to fuel the fight against the
British crown. The political elite in the American colonies used politicalof a people's war to
engage the dissatisfied lower classes in the colonies to fight against the British. However, as
the lower classes, and particularly black folks enslaved in the colonies soon
found,...