All of the choices given were invented before 1840 except for the zipper. The zipper was invented in 189. The correct answer is B.
It took only six weeks for France to capitulate to the German invaders. A stunning defeat - particularly since before the war the French army was considered the most powerful in Europe. <span>France's vaunted Maginot Line failed to hold back the Nazi onslaught and the German Blitzkrieg poured into France.</span><span> </span><span>see Blizkrieg, 1940</span><span>Thousands of civilians fled before it. </span>
<span>Really not much more I can tell you hope this helped tho :)
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Answer:
women's rights convention he spoke about women's votes and they all applauded her she had a strong opaion