What was an effect of the rapid industrialization of the United States in the last half of the 19th century?

Massive globalization and further increases in technology, during this time the Cold War has begun so competing for superior tech led to advancements in Military Technology which was then converted for Civilian use, so overall technology was vastly improved as well living condition for the average American. More wars were fought for the idea of "Balance of Power" such as the Korean War and Vietnam, mainly a way to protect and spread capitalism. Patriotism was also more wide spread than ever.