Probably you have seen the answer to question #1 here: viewtopic.php?f=358&t=50921
2. The W E R T Y and U keys can be used to navigate your units. E for locked units, like your new builds. E and R for land units. TY for naval units.
3. Are these low ammo units stacked with supply and ammo wagons? Wagons tend to help draw both type of supply to the stack. Each corps or army should also have these wagons. The city should tell you when you hover mouse over if both types of supply are present. Finally, are your forces in a supply chain?
4. Are your units in supply? Ideally they will be on a depot in order to receive replacements.
5. You can tell if the Eastern Entente is at war by going to the objectives page. This will provide you some sense of how they are doing. NM and other reports. They are at war.