Answer:
Your answer would be Sudan.
Explanation:
Sudan is the country that Dafur rebeled.
Answer: I know how to do number 1:
Chico-un
persona-una
amigas-unas
hombres-unos
1. Pudimos
2. Practicaba
3. La boda
4. Enojan, terminan
5. Yo soy tan amable como él
6. Su casa es la más grande de la calle
Most likely D since the noun árbol is masculine and you would use ese in that case.