i only know 2. The Luftwaffe was basically the German Air Force and the Manhattan Project was a code name for the project to build the nuclear bomb during ww2.
Because an extremely limited central government. As the Confederation Congress attempted to govern the continually growing American states ,delegates found that the limitations placed upon the central government rendered it ineffective at doing so.
Ummahayds I guess I think it is
Yeah just look it up on google chrome k
Their fears can be called justified because creating an huge country with one law and constitution applying to all is rather difficult. They were concerned that the constitution would not be made to suit everyone and that the branches of government could easily become tyrannical, and out of this fear they demanded more and more rules for the ratification.