What caused the united states to break its neutrality and enter world war i? the assassination of ferdinand the constant german sinking of trading vessels resulting in loss of lives the german march across bulgaria the surrender of turkey and bulgaria

Since so many american men during world war ii were fighting overseas, the factorices lay empty. this presented a problem the u. s. military was in such dire need of manufactured goods bullera, tanks, airplanes , ships, and many other things. whose point of view si best reflected in these lunes?

Why did einstein write a letter to president roosevelt

Were african-americans allowed to serve in the military in wwi? explain