How was protein synthesized from amino acids in the prebiotic world?

Now that we got some ground under our feet.
Here’s a cool introduction to the early years on Earth and what may have been.

Origin of Life - How Life Started on Earth Cosmology Today™ https://www.youtube.com/watch?v=xyhZcEY5PCQ&t=2527s Published on Jun 2, 2016 Four and a half billion years ago, the young Earth was a hellish place—a seething chaos of meteorite impacts, volcanoes belching noxious gases, and lightning flashing through a thin, torrid atmosphere. Then, in a process that has puzzled scientists for decades, life emerged. But how? Mineralogist Robert Hazen ... he advances a startling and counterintuitive idea—that the rocks beneath our feet were not only essential to jump-starting life, but that microbial life helped give birth to hundreds of minerals we know and depend on today. It's a theory of the co-evolution of Earth and life that is reshaping the grand-narrative of our planet’s story.
This one is a lecture
ROBERT HAZEN - CHANCE, NECESSITY, AND THE ORIGINS OF LIFE https://www.youtube.com/watch?v=TlAQLgTwJ_A&t=1910s