What led to the increased production of corn and wheat in texas in the civil war

Explanation:

Corn made substantial gains on cotton acreage during the Civil War. ... Improved strains, more scientific cultivation and fertilization, and expansion of irrigation increased yields of corn in Texas from 10 to 25 bushels an acre during the nineteenth and early twentieth centuries to 90 to 120 bushels in 1975–80.

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.