Why does "Planting Trees in Kenya" start by giving Wangari’s background instead of beginning with her accomplishments? Select two answers. A.

If the readers know that Wangari studied biology, they will understand how she knows so much about planting trees.

B.

The readers will know what the American students wanted as well.

C.

The readers will understand the games that Kenyan children often played.

D.

The readers will understand that Wangari’s memories of Kenya before are her main reason for wanting to make a change when she returns.