What is the significance of the D-Day invasion? Help Asap!

It is all of the above

Explanation:

D-day was a important day that happened because the Germans thought that they were coming to one beach and the Russians took the distraction to advance and it moved the allies to capture France and to use it as a front to threaten Germany that it would be annexed

Countries trade with each other when, on their own, they do not have the resources, or capacity to satisfy their own needs and wants. By developing and exploiting their domestic scarce resources, countries can produce a surplus, and trade this for the resources they need. You can integrate all of this into your question. Hope this helped.