Select all that apply. to increase agricultural production, the tang dynasty 1. encouraged foreign trade 2. constructed waterwheels 3. built dams to provide for irrigation 4. converted bad land into agricultural fields 5. invented new farming methods

3. built dams to provide for irrigation

4. converted bad land into agricultural fields

5. invented new farming methods

Explanation:

After the nation was united, the Tang dinasty made strong efforts to mantain it that way, and one of those was to heavily support and fund agriculture, at that time food supply was on of the most important things to keep an empire running, so they developed and constructed dams to provide irrigation, found ways to convert bad land into agricultural fields and invented new farming methods, like soaking the seeds in different compounds very planting them in order for the plantation-growth rate to be more effective, they also initiated to use insecticides and pesticides which increased considerably the harvest.

the correct statement is letter a.   according to the mandate of heaven, kings were considered godlike beings, so they could do as they .

the mandate of heaven is a chinese political and religious ideology used since ancient times to justify the rule of the king or emperor of china, that has been in place since the zhou until the dynasty system ended. it has been created to justify the zhou as the main power of the region. in order to keep harmony, the ruler has to make what he wants and what people want. he had to make good choices to satisfy the people and then they will be happy and keep you in power.

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