Enjoy our first Ollie and Molly series on United States history, which is important to our children, as our nation continues to grow. Ollie and Molly share their new adventure with readers as they visit Bull Run National Battle Field at Manassas, Virginia. Find out what they learn on the eve of the American Civil War as Nicky provides his insight into U. S. Civil War History. What was President Lincoln's primary reason for war, as the seeds of unrest were being planted across the country? See Bull Run come alive with animals and history as Ollie and Molly walk the Stone Bridge Loop Trail. At the end, Ollie, Molly, and Nicky will surprise you on the question of "Who caused the war?