An example of a challenge facing the American people during the late 20th and early 21st century is public education. The American democracy depends on an educated and well informed citizenry.
It would be
To develop Characters by displaying their interactions.
I would say ones d :) but im not sure lol sorry
Because his curiosity gets the best of him and he wants to stay to see the cave man.
I think 1 is either A or D & 2 is either A or B. I hope I helped & I'm sorry if I'm wrong :)