Answer:
Domestication
Explanation:
Domestication has always been very useful to people. It is a way to tame animals so then after you could use it to benefit you. Either for farm work or even food. This is very common now a days.
For example. Cows are domestic animals. They live on farms, work in the fields, give us milk, cheese, butter and eventually meat for us to eat.
I don't know if I understood the question good, because its not clear, but I Hope this Helps!
:)
The answer is D. expensive wars with neighboring tribes.
After the stock marked crashed, the homeless rate of US citizens sky-rocketed. Famine spread throughout the mid-west during the 'dust-bowl' which caused many residents to flock to other parts of the country, namely California. Hoovervilles, which were set up cities of the homeless popped up around most major cities as people searched for jobs. Often, after arriving in an area with promise of jobs that had already been taken people would work for next to nothing because that is all the work anyone could offer them.
