war 138The War of 1812 was fought by the United States and its allies against the United Kingdom and its allies in North America.It began when the United States declared war on Britain on 18 JuneThe Marder III H officially desnated Marder III H (Sd.Kfz. Index: Sd.Kfz. 138) is a German tank destroyer.It was introduced in Update 1.47 B Guns.. The Marder III H is a step above