did he make any efforts to reduce taxation on his people?
He gave an order stating that the people who remained in Guanzhong were exempted from taxes and corvée for 12 years while those who returned to their respective native territories were exempted for six years.
Emperor Gaozu of Han
He gave an order stating that the people who remained in Guanzhong were exempted from taxes and corvée for 12 years while those who returned to their respective native territories were exempted for six years and that the central government would provide for them for a year. 
peasants made up what part of the population of han china UNANSWERABLE what kind of money was used during this time? Coin currency and token money notes. who was the emperor at that time? Emperor Gaozu, Emperor Wen, Emperor Wu and Emperor Guangwu. when was the first emperor born? 256 BCE. is there any book or song about him? He composed a song called - "Song of the Great Wind".
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Emperor Gaozu of Han [SEP] Reducing taxes and corvée
Emperor Gaozu disbanded his armies and allowed the soldiers to return home. He gave an order stating that the people who remained in Guanzhong were exempted from taxes and corvée for 12 years while those who returned to their respective native territories were exempted for six years and that the central government would provide for them for a year. He also granted freedom to those who had sold themselves into slavery to avoid hunger during the wars. In 195 BCE, the emperor issued two decrees: the first officialised the lowering of taxes and corvée; the second set the amount of tribute to be paid by the vassal kings to the imperial court in the 10th month of every year.