9. The Grimke sisters' efforts Illustrate all of the following elements of the period between 1815 and 1848 EXCEPT: o improved transportation networks enabled people to spread ideas more quickly and effectively O Both men and women participated in public culture that debated important issues of the day The doctrine of Separate Spheres ensured that women engaged in domestic pursuits, leaving political issues to men in the public sphere The era empowered individuals to believe that they could bring changes to American Society