The answer is: A) Investigation of Communism within the United States.
Answer:
If you are talking about biology, this is one example:
Explanation:
Both the siamese cat and the Himalayan rabbit illustrate how heredity interacts wit the environment. In both cases, temperature of the environment affects the genes of color
The rise of reform movements aimed at improving urban life
Answer:
The Agricultural Revolution of the 18th century paved the way for the Industrial Revolution in Britain. New farming techniques and improved livestock breeding led to amplified food production. This allowed a spike in population and increased health. The new farming techniques also led to an enclosure movement.
Explanation: