Final answer:
The purpose of the D-Day invasion was to combine Allied forces and open a second front through France to reach Germany.
Step-by-step explanation:
The purpose of the D-Day invasion was to combine Allied forces to open a second front through France to reach Germany. By launching the invasion on June 6, 1944, the Allies aimed to divert German resources and attention away from the Eastern Front, where the Soviet Union was fighting Germany. This strategic move allowed the Allies to gain a foothold in Europe and ultimately contributed to the defeat of Nazi Germany.
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