Who is the highest-ranking elected woman in u. s. history?

When and why did the united states enter world war 2

    which of the following was anecological  result of european exploration from 1400 to 1800?   a.  increased trade with east asia      b.  the spread of epidemic diseases      c.  expansion of english territory      d.  the spread of christianity

What notable contributions to science has sandia national labs (snl) produced over the years?