I would say the Fugitive Slave Act. It required citizens to help recover runaway slaves.
They believe that 2 and 3 were true
B and C I’m pretty sure it was also because of a problem with the O-rings on the shuttle
<u>Answer:</u>
Leonardo's ability to observe and study, then demonstrate those things in his art, he was pretty much the definition of a Renaissance man. Defined: Renaissance man: a person with many talents or areas of knowledge.