“feudal economy”造句，怎麼用feudal economy造句

There were institutional reasons for the long-standing stagnation of the Chinese feudal economy.

These policies conducive to proliferation population, then, the development and the residence corvee tax feudal economy.

In order to improve the feudal economy, Huangtaiji paid more attention to agricultural production and took a series of measures to develop it, so Manchu's social economy grew greatly.