Rubber, more specifically rubber tires
Answer:
China
Explanation:
China was the first socialist nation to begin the process, and in many ways it has been the most successful.
The Native Americans, salmon is very symbolic. It symbolizes abundance, fertility, prosperity and renewal. For thousands of years, Salmon has also been the primary food source for Northwest Coast Native Americans and are highly respected to them.
Field.
Agrobiology is the study of plant growth due to soil condition. Agriculture is the cultivation of different life forms for food, mainly it has to do with farming. Based on this, agros most likely has something to do with the field.