<span>Antietam/ Sept. 1862.............apex
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<span>They were upset because the southerners wanted there not to have another slave state, so they wanted to have a free slave state.</span>
The German economy was especially vulnerable since it was built upon foreign capital, mostly loans from America and was very dependent on foreign trade. When those loans suddenly came due and when the world market for German exports dried up, the well oiled German industrial machine quickly ground to a halt.
Most famously, blitzkrieg describes the successful tactics used by Nazi Germany in the early years of World War II, as German forces swept through Poland, Norway, Belgium, Holland and France with astonishing speed and force.