Answer:
D) to protect the United States in the event of a war
Explanation:
The signal would be: prices.
When the prices of a certain product is high, it would give signals to the seller to increase the production of that product.
the prices also determine how much material and type of production technique that the sellers can afford to use.
Answer:
The avocado is a fruit of a different time. ... The fruit attracted these very large animals (megafauna by definition weigh at least 100 pounds) that would then eat it whole, travel far distances and defecate, leaving the seed to grow in a new place
