What would einstein's famous e=mc2 equation became the basis of development for?

Who was a 1920s film star who was the first male "heart throb" in film.

Which of these is not a purpose of the constitution as explained in the preamble? • to make a better country • to keep states more powerful the the u.s. • to keep peace in the country • to protect freedom

Me! extra points : )besides factory work, what othe4 types of jobs did women bold during the wwll?