Notice the following signs in the image.
"vox populi" which means "voice of the people"
Polling Booth Who is not with us is against us.
Tank as the voting booth.
The image depicts gross intimidation of Hitler to the voting people. It is ironic that even though the image said voice of the people, it is very obvious that the voice of the people are controlled by Hitler and his army.
Any one who is not for Hitler will be treated as his enemy and will be subject to extreme measure of punishment as befits his enemies.
Hitler's victory in the election is assured because everyone will surely vote for him or lose their lives.
I would say the 14th amendment because it gave equal rights and protections under the law.
C. by expanding the nine-member court with up to six more judges.