Answer:
Long before the Union victory in 1865, Congress prepared for the many challenges the nation would face at war’s end, particularly the integration of four million newly emancipated African Americans into the political life of the nation, and the readmission to federal representation of former states in rebellion. Congressional Reconstruction included the Thirteenth, Fourteenth, and Fifteenth amendments to the Constitution which extended civil and legal protections to former enslaved people.
Explanation:
Upton Sinclair's The Jungle: Muckraking the Meat-Packing Industry. Upton Sinclair wrote The Jungle to expose the appalling working conditions in the meat-packing industry. His description of diseased, rotten, and contaminated meat shocked the public and led to new federal food safety laws.
The three countries were
Northern and Western Europe and the Great Britain
It is B Sentence 3 Although he was embarrassed, Jack called his mother.