What was a common goal of the 13th 14th and 15 amendment to us constituion

The 13th, 14th, and 15th Amendments of the U.S. Constitution were designed to free and help and ensure equality for former slaves. Hope this helps.

the answer is mass marketing.

it was the "4. potsdam" conference that demanded the unconditional surrender of japan, since it was clear that the japanese would continue to find until the very last man otherwise.