Answer:
just getting points thank u
Explanation:
The answer is actually Complex drainage systems to keep structures from flooding.
Evidence of attacks have been found
Answer:
20hours
Explanation:
Working up to 20 hours a day, cowboys drove the animals from one watering place to the next. They had to guard against predators (two- and four-footed), straying cattle, and stampedes at night. For his hard and dirty work the typical cowboy earned between $25 and $40 a month.