Answer:
Political boundaries are the dividing lines between countries, states, provinces, counties, and cities. These lines, more often called borders, are created by people to separate areas governed by different groups. ... Political boundaries change over time through wars, treaties, and trade
Answer:
Option: The Southern economy became increasingly dependent on large-scale farming.
Explanation:
Increasing large scale farming led the Southerners to become dependent on slavery. The south had large estates with land to cultivate which they called plantations. Each plantation grew cash crops to meet the requirement of the European markets and to generate wealth. To grow crops labors was necessary to support the tobacco trade. In 1650, about three hundred Africans living in Virginia which later increased with the Transatlantic slave trade from Africa to the Americas in larger extent.
Honestly, I believe that the most reliable resource would be to visit a local animal hospital.
Since it is an experimental veterinary procedure, you won't find much information in books or online. And contacting the local society for veterinarians may not yield results.
