Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage.

Wangari Maathai was the first African woman ro recieve the Nobel Peace Prize in 2004. She was also the first female scholar from East and Central Africa to take a doctorate (in biology), and the first female professor ever in her home country of Kenya. Maathai played an active part in the (17) __________ for democracy in Kenya.

As a young girl in Kenya, she was surrounded by a rich, beautiful forest. As she saw the forest being cut down, she understood how the lack of forests (18) __________ farming and life more difficult for her community. People fought over water and over food. She decided to plant nine seedings and as the trees grew, she had her plans to plant trees for (19) __________.

In 1977 she started a movement aimed at opposing the deforestation that was threatening the means of subsistence of the agricultural population. The campaign encouraged women to plant trees in their local environments and to think ecologically. The so-called Green Belt Movement spread to other African countries, and (20) __________ to the planting of over thirty million trees.

Maathai’s Green Belt Movement for African women was not limited in its visions to work (21) __________ sustainable development, she saw tree-planting in a broader perspective which included democracy, women’s rights, and international solidarity, as in the words of the Nobel Committee, “She thinks globally and acts locally.”

Maathai played an active part in the (17) __________ for democracy in Kenya.