Answer:
because they were treated like pets back then and they were useful as maids or servants.
Explanation:
The legislative branch of the federal government, composed primarily of the U.S. Congress, is responsible for making the country’s laws. The members of the two houses of Congress—the House of Representatives and the Senate—are elected by the citizens of the United States.
The act of depending on one another for fulfillment of one's needs.
Answer: Interdependency.
The knowledge and tools that people use to manipulate their environment is also known as technology.
Technology can also be defined as: the machinery and equipment used to apply scientific knowledge; applying scientific knowledge for practical purposes.
