Answer is A..............
Answer:
C. A governor and an elected two-house legislature
Explanation:
Answer:
Increasing efficiency can be achieved by using fertilizers or catalysts to speed up plant growth rates and farmers can use more advanced machines like large tractors instead of bulls to plough the fields
Answer:
You can calculate it by adding up, for everyone in the country: The total value of goods and services ('output') produced; Everyone's income; Or what everyone in the country has spent.
Explanation: