How does Kevin Boyle use imagery in Arc of Justice: A Saga of Race, Civil Rights, and Murder in the Jazz Age?

Examples of Imagery:

What's more, no one coordinated the businessmen's practices and the homeowners' actions. They spread by quiet agreement, sealed by a handshake in the boardroom, a directive from the home office, a conversation over coffee in the neighbor's kitchen.

"They dreamed of land, not row upon row of cotton, just enough to cultivate some crops. Freedmen also desperately wanted to school their children: free people needed to read and write if they were to manage their own affairs. But it was more than that. Everything their masters had denied them - schooling, family, property, freedom of movement - Negroes were now determined to claim for themselves, whatever the consequences."