Answer:
Food needs to be broken into smaller particles so that animals can harness the nutrients and organic molecules. The first step in this process is ingestion: taking in food through the mouth. Once in the mouth, the teeth, saliva, and tongue play important roles in mastication (preparing the food into bolus).
At the start of World War 2, America is the country that maintained the isolationist policy.
It allowed materials to be shipped easier and get things farther
The most populated European nations are Russia, Germany, Turkey, and France. Hope this helps! : )
