Mathematics, mostly.
They also did groundbreaking work in the following fields:
Astronomy
Philosophy
Geography
Sciences
Technology
The businesses didn't have responsibilities but they did have rights hope this helps
C
Radicals pushed for the uncompensated abolition of slavery, while Lincoln wanted to pay slave owners who were loyal to the Union. After the war, the Radicals demanded civil rights for freed US slaves, including measures ensuring suffrage
C. Had propaganda made that promoted them as being aligned politically and personally.
The answer is gunpowder and square sails
