Answer:
New forms of transportation such as the steamboat and the railroad helped the nation expand trade. Meanwhile, innovations such as the modern assembly line and electric light bulb revolutionized both business and personal life
Explanation:
(1) plan a second front in Europe
(2) capture Pacific islands held by the Japanese
(3) develop the atomic bomb
(4) liberate German concentration camps
Answer:
The United States should not take sides in foreign wars.
Explanation:
He was an industrialist and philanthropist. He got his fortune in the steel industry by creating the Carnegie Steel Company and he revolutionized the way steel is produced in the U.S.