The correct answer is D) a system in which states agree to form a national government, but maintain its sovereignty.
<em>A Confederation is a system in which states agree to form a national government but maintain its sovereignty.
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In political terms, a Confederation is considered a union of states but maintaining its own soverignty. The United States formed a Federation in 1789, to unify even more the states, something that other states did not like and mostly the Southern states maintained the concept of Confederation. The Federation was based on the idea of a common government for all the states, meanwhile, in a Confederation, the common element was the autonomy in each of the states.
The Union of Soviet Socialist Republics later dissolved into fifteen independent countries in 1991.Three of the them, Estonia, Latvia and Lithuania declared their independence even before the demise of USSR in September 1991. The basic on USSR countries are here!
Http://www.dummies.com/education/history/american-history/american-preparation-for-world-war-ii/
You're welcome xP
The answer is A.) It encouraged Allied soldiers by giving them goals to defend. This was so war wasn't fought in vain.