The United States.

This article provides summaries of several recent books. The first book, "Brought Forth on This Continent: Abraham Lincoln and American Immigration" by Harold Holzer, explores Lincoln's evolving views on immigration and his role in passing the first federal legislation to encourage immigration during the Civil War. The second book, "World on the Brink: How America Can Beat China in the Race for the Twenty-First Century" by Dmitri Alperovitch with Garrett M. Graff, discusses the authors' belief that a second Cold War is underway and emphasizes the importance of Taiwan in the conflict. The third book, "Ascent to Power: How Truman Emerged From Roosevelt's Shadow and Remade the World" by David L. Roll, examines Harry Truman's presidency and his significant decisions during World War II, the reconstruction of Germany and Japan, the confrontation with the Soviet Union, and civil rights reforms. The fourth book, "The Hollow Parties: The Many Pasts and Disordered Present of American Party Politics" by Daniel Schlozman and Sam Rosenfeld, argues that both major political parties in the United States have been undermined by various groups and individuals, leading to inefficacy and extremism. The final book, "An Unfinished Love Story: A Personal History of the 1960s" by Doris Kearns Goodwin, combines history and biography to explore the author's marriage to presidential speechwriter Richard Goodwin and their experiences during the 1960s. [Extracted from the article]