How did the 1840 world’s anti-slavery convention affect the women’s suffrage movement? women and men participated equally in the convention; this show the us government that women deserved the right to vote. women and men participated equally in the convention; this raised the prfile of several key female activists. women were not allowed to fully participate in the convention; this directly led to the passage of the nineteenth amendment. women were not allowed to fully participate in the convention; this led several key female activists to shift their focus to women's rights.