Answer:
The exchange of goods and services without the use of money
Explanation:
Difficulties with this may be:
Lack of a common measure of value.
Lack of fair exchanges
Lack of double coincidence of wants.
Difficulty in storing value.
Answer: To analyze it deeper.
Explanation:
Just explode your facts and rewrite it in your own words
Oversimplifications often ignore complex or contradictory evidence
Answer:
1 is right answer
Explanation:
helping is the best nature so human being like that