Answer:
what you do is look it up because your on a laptop or phone instead of asking somebody that will probably get it wrong for you ;)
Explanation:l
Nations began mobilizing for war
Allies opened a second front in Europe, but it was a long process that took years. Taking years to plan and come up with ideas on how they would do this, this got a code name called Operation Overload. By June 1944, almost 3 million troops were ready for the invasion. On June 6, 1944 the day know as D-Day had started. 4,000 ships filled with Allies invaded France. Although going under heavy gun fire, the Allies pushed on. They would not retreat. More and more Allies continued coming onto France, eventually reaching Paris. After four years of being ruled by the Nazis, France was finally free.
The physical geographical feature in the old northwest which served as an internal borderland was the Appalachian mountains. This system of mountains. that was formed due to continent-continent convergence 480 million years. is still be a barrier to east-west travel. Because of its location and geographical position, all of its valleys are oriented in opposition to the roads that lead east or west, therefore it is can be considered as internal borderland.
