I've read a few websites and it seems they re-emerged on August 8, 1925 and I've also read "more than 50,000 members of the Ku Klux Klan paraded through Washington, D.C." Which seems to be larger than previous meet ups.
I believe when you say suffrage you are referring to the right to vote, so that means that the aristocrats had less power than before. Hope this helps :)
The Olmec civilization used to create stone representations of human heads sculpted from large basalt boulders, these are called " Olmec colossal heads". The heads date from at least 900 BC and are a distinctive feature of the Olmec civilization of ancient Mesoamerica.