It is B...................
People in the south used slaves because their economy was focussed on things like cash crops (tobacco, cotton, etc.) These crops required a lot of work so farmers and plantation owners could not do it by themselves. So by using enslave persons they could harvest more crops, sell more, make more money, and in return boost the southern economy.
I think it's d. Before he has left Maryland. he learned the blacksmith trade
The correct answer is B.Patricians owned most of the land and either rented plots of land for plebeians to farm, or had slaves farm the land
The slaves however were not based on race and anyone could become a slave due to debts or as war prisoners. Slavery was common but one could become free if they successfully run away for a while without being caught or if freed.
A.
Undermine
erode the base or foundation of (a rock formation).