Answer: A. There's limited wealth in the world.
Explanation:
Mercantilism was based on the notion that there was limited wealth in the world so countries needed to accumulated as much of it as possible.
For this reason, countries imposed high customs duties on imports from other countries so that people would not buy them and send money to their countries. At the same time they tried to export more so that countries would give them more of the wealth in the world.
Rejuvenated traditional crops and farm practices.
The best answer is A. Keynesian economics refers to the practice of pumping money into a country's economy. In Keynesian economics that money is usually acquired from taxpayers, loans, bonds, and additional currency printing. The theory is that spending money on things like infrastructure projects (building roads, power plants, dams, etc.) creates jobs, which helps get money circulating in the economy again, which eventually pulls a country out of economic stagnation.
In real life the Taira and the Minamoto clans were the two strongest clans of the 4. The other two were the Tachibana clans and the Fujiwara clans . There are more, like the <span>Yamato clan, in the 500's.</span>