Dog went up the hill and sat on the log
The answer is Canal. Canals are human-made channels for water movement, or to administration water transport vehicles. In the vernacular, both are alluded to as 'trenches', and as a rule, the built works will have a progression of dams and bolts that make territories of the low-speed current stream. These territories are alluded to as 'slack water levels', frequently just called 'levels'.
Jackson never liked the natives so he put together the Texas rangers to protect citizens from the Native Americans
B. Maya
This describes what the Mayan civilization would have been like.
1921 belongs to time where the juridical base was formed as a result to demands of the growing economic environment