A German term for “lightning war,” blitzkrieg is a military tactic designed to create disorganization among enemy forces through the use of mobile forces and locally concentrated firepower.
Its successful execution results in short military campaigns, which preserves human lives and limits the expenditure of artillery.
No D day was very costly but it did helped the defeating of Germany
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Answer:
No "following arguments" to choose. Can't be answered.
I'm pretty sure it was Thomas Jefferson (president at that time) because he sent Lewis and Clark on the journey.