Which of the following are reasons the grain supply increased during the high middle ages select the two correct answers
1) Improved agricultural techniques: During the high Middle Ages, advancements in agricultural techniques such as the use of heavy plows, crop rotation, and improved irrigation systems contributed to increased grain production.
2) Expansion of cultivated land: The clearing of forests and the expansion of cultivated land during this period allowed for more areas to be used for grain cultivation, leading to an increase in supply.