"Find out how to successfully plan and lay siege to a castle to defeat the enemy"--Provided by publisher.

In 1860, the United States was split in two as several southern states seceded from the Union to form their own nation, the Confederate States of America. As President Abraham Lincoln attempted to hold the country together, war broke out between the Union and the Confederates. Readers will discover why the southern states seceded, how the war affected the people of the United States, and what lasting effect the conflict had.

In the 1960s, as part of an effort to stop the spread of Communism, the United States entered into a conflict in the country of Vietnam. Though it was meant to be a fairly small operation, it soon turned into a long and costly war. Readers will learn about the motivations of U.S. and Vietnamese leaders, find out why so many people opposed the war, and much more as they explore the most important moments of this tumultuous time period.

Just over two decades after the conclusion of World War I, another war began spreading across the world. As power-hungry leaders such as Germany's Adolf Hitler, Italy's Benito Mussolini, and Japan's Hideki Tojo seized control of their countries and began invading their neighbors, nations in Europe, Asia, and America banded together to combat them. Readers will discover how the war started, how it affected people, and how it has had a lasting impact...