I don’t know much about the dark web but in my opinion, it was made for people to share stuff secretly online whilst being anonymous or because it was made for the US government to catch people online doing illegal stuff or something
The answer is: C. were superior at learning mazes.
From the result of this experiment, we can learn the different possibilities of learning methodologies that are applicable by mammals.
When combining the cages with colorful patterns, platforms, and ladders, the rat subjects in the experiments are trained to utilized different part of their brains when they try to solve a certain problems. The study suggested that this is the reason why rats in enriched cage were superior at learning mazes.
Answer - A - Cotton was a primary cash crop
Reasoning - First we have to look at the question (Southern Economy). Which already gives you a hint that yes all the other industrialization and delivery help with money. But not as cotton was a base line for cash crop and its was the foundation to the south. Without cotton being a primary cash crop or white gold. Will equal to no money for the south economy. Yes A is the correct answer.