decreased

Before the Tokugawa’s Japan unification.
Japan was a Warring States period.
Local warlords were holding one's ground in various places of Japan.
Nationwide economic activity had been inhibited by it.

After the Tokugawa’s Japan unification.
It was made possible.
Nationwide economic network went developed gradually.
　
Economic center cities had been developed one after another.
This representative city was the Osaka city.

At first，crops in Japan were collected to the Osaka city.
And that price had determine.

As result large merchant appeared in the Osaka city.

Then they put a branch in throughout Japan.
(Some of them were in charge of the rice sale of that land.)
Lords began to borrow the money to them for the shortage of financial.

They also borrowed money for that repayment.
Of course，it became precarious day-to-day management.
　

・・・・・・・・・　
　
　
”We have to repay this debt.”

Initially，lords tried to increase the tax revenue by up of the tax rate.
(Increase the amount of crop to be housed in the national treasury.)

At the same time，they requested the money paid to the government against the people under one's dominion.

As result，certain period of time， tax revenue increased by it.
　
But farmers were impoverished as a corollary.
Farmers was initially self-sufficiency.
Money economy came in there gradually.
　
Farmers also borrowed the money.
And they also borrowed money for that repayment.
　
Person to bear their debt.
Of course，it did not exist for them.
　
Finally they had to fled from rural areas.
　
Edo，Osaka.
Large cities to accept them were already established.　

Farmers had decreased.
So rice yields had decreased.
So tax revenue had decreased.
So borrowed the money.

And great famine occurred at a period of time.