AP World History

Answer - B - Leningrad was the site of the worst siege of not only World War II, but the entire modern era.

Key Takeaway: In 1941, German troops surrounded Leningrad, the Soviet Union’s second-largest city. Leningrad never surrendered, but it remained under siege until January of 1944. More than 1 million people died during this time, most of either winter cold or starvation.