Answer:]
If you worked for the government in 1944 and needed to have a new recruitment poster made, you would go to the "Office of War Information" since this was the source of war propaganda in the US during this time.
es el conjunto de normas fundamentales de un Estado soberano, las cuales suelen estar expresadas de forma escrita y fijan los límites y las relaciones entre los poderes del Estado
Im kinda stuck on this one.....but due to the " Empire " I believe its Imperialism. I hope this helps!! :D