By stopping using harmful chemicals
Industrialization and competitiveness more than likely. (Possibly alienation?)
For short answer skip the ones you don't know and then go back to them at the end. Write the essays first so you don't run out of time. If you don't know the material fully just put down what you do know and then reword it a few ways to make your essay longer. Also, look for clues in the other test questions that could give you information on either responses. Hope that helped!
Like medals with their ribbons
A five hairs beard of wisdom
And victory filled up
Answer:
1. He meant that everyone needs to work together to develop the country to be able to face world hunger
2. The great problem is the world hunger
I hope this helps?