Looks at the Louisiana Purchase of 1803 as a turning point in the history of the United States, relates the story of how the purchase of the land was negotiated with France, briefly chronicles the Lewis and Clark expedition, and discusses the effect of the expansion on the country and its people.
Follows the development of the gold rush in California starting in the 1840s and discusses what routes gold seekers took to reach California, how the gold rush contributed to the growth of San Francisco, and how it was first discovered at Sutter's Mill.
Examines the life of Abraham Lincoln, discussing his accomplishments, and describing how his actions have impacted the history and development of the United States.
Presents a history of the Vietnam War that took place from 1954 until 1975, discussing how the war began, why United States forces found it difficult to fight the Viet Cong, and why immigration has become a controversial issue for both the United States and Vietnam.
Recounts how the Cherokees, after fighting to keep their land in the nineteenth century, were forced to leave and travel 1,200 miles to a new settlement in Oklahoma, a terrible journey known as the Trail of Tears.
Explains what oceans are like, looks at the plants and animals that live in the top layers of the oceans, discusses how oceans move, and includes information on the role of the oceans in regulating climate.
Describes the history of the British colonies in North America that eventually became the United States of America, and includes why European explorers first came to America, the challenges faced by the early colonists, and what role slavery played in the colonies' growth and success.
