Answer:
Until Spanish-American war that was fought in 1898.
Explanation:
After Civil War United States started rearranging their internal, but also external policy. At the end of 19th Century United States started spreading their power outside their country. During that period in 1898 a war was waged against Spain. Known as the Spanish-American war it was fought around Cuba and Philippines. United States remained a world power.
Answer: Big business leaders such as Andrew Carnegie, John D. Rockefeller, and J.P. Morgan gained extreme wealth during the Gilded Age. They profited off steel, oil, and banking. The Gilded Age was also the time of the Second Industrial Revolution, where mass production, conveyor belts, and railroads helped shaped America.
Primary elections hope this helps