What did Solomon and Robert plan to do on the boat to regain their freedom?

Explanation

What was the name of the attorney that later helps Northup gain his freedom? ... What does Northup do for his fellow slaves at freemans slave pen? ... Arthur plan to take over the ship by killing the captain, they include Robert in their plans ... to look for a slave named Platt, they'd look for someone named Northup or Solomon.

payments were made after the 1940s.

in the 1980s, a commission held investigations and made recommendations.

this is a good question! i'll do some research and come back when i have the answer!