Answer:
Why are you gonna go to bed at 10 in the morning?
<span>The first d-day invation was crucial for the allies' Europe first strategy because it meant they would gain land in France which was a very heavily weighted part of their plan to win the war overall.</span>
And the continuance of their parent’s rage
The purpose of D-Day was to "<span>reclaim Western Europe first before attempting to move Allied troops into Germany" since there needed to be a second front in Europe. </span>
B. That is the most realistic answer.