Read the passage from "The Spanish Civil War.”

Four months later the morale of the increasingly hard-pressed republicans received another major blow when Britain, France, and Italy acknowledged Hit's preeminence in Europe by accepting his d at Munich that deprived Czechoslovakia of its borderland defenses. The that triumph was followed by Franco's massive invasion of the province of Catalonia and the capture of Barcelona, its major city. In March of the following year, a nationalist offensive seized in two days Madrid, and the last loyalist forces surrendered on April 1.

What is the author’s most likely purpose for writing this particular passage?

A. to describe solutions for ending the Spanish Civil War
B. to explain a cause-effect relationship of events in the Spanish Civil War
C. to describe a sequence of events during the Spanish Civil War
D. to explain similarities and differences in the Spanish Civil War