Answer:
I think the answer is (Robert E.lee)
Most likely A because immigrants had the advantage of Settlement Houses. Settlement Houses were places of not necessarily refuge, but of shelter and protection where they were taught by Americans themselves about the culture and ways of the U.S. I'm sure they learned things from other immigrants here and there, too, but culture classes were what they write about in textbooks.
Commercial farming includes all of the following except shifting cultivation
Option: B
<u>Explanation:</u>
Commercial farming refers to the practice of farming in large holdings of farm with modern machineries, huge man power, adequate technological and financial support. For e.g. Wheat production in Canada. Mainly produced in temperate grassland.
Shifting cultivation refers to the taking a plot, clear the plot fully by burning the scrubs and occupy the field for production. The ashes mixed with the soil and make it fertile. But after one cropping season nutritious level of the soil goes down and farmers used to leave that place in search of a new land.
