This document provides background information on Cuba-US relations and introduces Federico Fernández-Cavada, a Cuban veteran of the American Civil War. It discusses how Cuba was a Spanish colony producing sugar and a major slave hub. Many Cubans looked to the US with hope for support against Spanish rule. The Civil War saw the participation of immigrant soldiers from countries like Ireland and Germany. The document aims to examine Cavada's experience as a case study to understand the motivations and legacy of Cuban participants. However, upon examining Cavada's writings, there is no explicit mention of Cuban influences on his participation, though some interpretations allow for it. His later involvement in Cuba's independence movement embodied the revolutionary spirit more clearly. The summary