Which of these details does NOT support the central idea?
Central Idea: Even though one of Edison's inventions failed, he never stopped
trying out new ideas.
The vocal engine was a cumbersome device for the
user.
Sound waves are not powerful enough to make the
vocal engine useful.
Edison created a version of the light bulb that
was affordable and long-lasting.
7
The vocal engine had a few fatal flaws.

Read the excerpt from suffragists' "great demand" banner. in 1917, more than one thousand women stood before the white house in a cold, pouring rain, holding silent vigil to demand a constitutional amendment to extend the vote to them. their quest to be enfranchised by law was known at the time as the great demand. the smithsonian's great demand banner, as it came to be called, declares in bold words and style the determination of the women who made and carried it. their campaign on behalf of women sought to move america one step closer to fulfilling the nation's long-deferred promise of equality under the law. which statements about this excerpt are correct? check all that apply.