Often the last step of the scientific method is to make the findings available so that other researchers can repeat, or predict the outcome of the research
I could be wrong but I think it’s the first one
I believe the answer is: <span>war was fought on multiple fronts
The multiple fronts make the Allies surrounded from both sides which limit their movement/mobilization
The alliance have to face the millitary threat from Germany on the enters front. On this front, The soviet union played the most crucial role in preventing the nazi's advance.
</span><span>From the western front, the western Europeans allies fought to stop the advance from japanese and italian army.</span>
Repair shop owner who opens a second shop across town