Final answer:
To cover the history of business in the U.S., Tamar Seigel should discuss the early trade and banking systems, technological advancements in the Industrial Revolution, the rise of corporations and stock markets in the 20th century, and the impact of globalization and internet commerce in the information era.
Step-by-step explanation:
Tamar Seigel, who is preparing for a presentation in History 201 on the history of business in the United States, should consider covering two key aspects of each business era, from the colonial period to the current era. For the colonial period, she could focus on the trade of goods such as tobacco and cotton, which were significant for the colonial economy, and the early banking and credit systems that began to emerge. For the Industrial Revolution, important aspects include the massive technological advancements in production and transportation, and the emergence of early factories and urbanization.
Moving forward to the 20th century, Tamar should highlight the rise of major corporations and the stock market, which began to play a significant role in the economy, and the regulatory responses by the government through policies and legislation. In the current information era, she should discuss the dominance of the service sector and technology companies, and the impact of globalization and internet commerce on business operations.