Answer:
blue marbles - 2/9. red marbles - 3/9 = 1/3 clear marbles - 4/9. Davis got a 2/9 chance and Tessa got a 2/8 or 1/4 chance. I don't know about the last question. it might be 5/9 but I don't know sorry.
I'm pretty sure its the first chose but I'm not sure sorry i couldn't help more
The answer to your question is the second choice.
1) Stop the spread of slavery.
and
4) Keep the western territories free.
Hope this helped!