Bartering and raiding. They never had a merchant system.
The correct answer to this open question is the following.
This is a market economy. And we are referring to Switzerland, one of the greatest countries in the world to live and prosper.
A market economy has all the characteristics mentioned in the text above. It allows the competition of many industries with minimum governmental regulation. Prices of products and services are established by supply and demand. That number of industries allows the creation of many jobs and particularly in Switzerland people enjoy a high level of life with minimum poverty.
On the other hand, in a command economy, it is the state which decides what products are to be produced, how many, and the price is fixed by the government that totally controls the production process.
Signing the Camp David Accords is only among following that was a success of the Carter administration and the only one that could be attributed to his administration
The USSR’s help in defeating Japan. The US wanted Stalin to attack from above during the invasion of Japan, aka Operation August Storm. This happened with the Soviet invasion of Manchuria.