Answer:
A. To irrigate the land and sell crops
Step-by-step explanation:
To divert rivers and streams is an irrigation system used since the antiquity to irrigate crops and to extend the sowing areas, now the difficulty of water access and the low rainfall in Texas obligate them to use that system to avoid crop losses and to improve the production capacity, in consequence, to earn the most quantity of money per crop with the minimun investment and expenses.