Bob Smillie gave up a promising career at the University of Glasgow so he could join the Spanish militia and fight against Fascism. What ideological outlook might have motivated his decision?

Georges Kopp is arrested, despite being a high-ranking military officer on an important military mission. His papers are confiscated, and he is held in jail for a prolonged period of time. How does his arrest, and thousands of others like it, potentially change the course of the war? What do you think eventually happened to Georges Kopp?

The USSR was the only nation that sided with the Republicans during the Spanish Civil War. As such, the USSR came to wield enormous political sway in the Republican government. In the final analysis, did this influence help or harm Spain?

Why do you think the Spanish Civil War is often referred to as the opening...