What happened to the economies of many communist countries during the Cold War? Group of answer choices
1. People had no incentives to work, so production increased and many communist countries became wealthy.
2. People worked hard and many communist countries became wealthy.
3. People worked hard and many communist countries became wealthy.
4.People had no incentives to work, so production fell and many communist countries became poor.

1. People had no incentives to work, so production increased and many communist countries became wealthy.

2. People worked hard and many communist countries became wealthy.

3. People worked hard and many communist countries became wealthy.

4.People had no incentives to work, so production fell and many communist countries became poor.

Explanation:

all of the above :)

porter is writing economic history because he is focusing on the cost of developing vaccines.

can someone just answer this