Question

Select all that apply.

To help 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

Answer 1

3. built dams to provide for irrigation

4. converted bad land into agricultural fields

5. invented new farming methods

Step-by-step 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.

Answer 2

. built dams to provide for irrigation
irrigation was used to farm lands that were originally arid and semi arid4. converted bad land into agricultural fields
these bad lands otherwise ARID AND SEMI ARID were successful reclaimed through irrigation methods.
5. invented new farming methods improvements in agricultural techniques and tools bolstered the agricultural sector making it one of the important source of taxes for the dynasty.