Answer:
The telegraph provided instant communication over great distances. This innovation had changed Americans' outlook on the United States as B. Americans started developing stronger regional orientations as their exposure to diverse national views increased.
Explanation:
Although telegraph was a great invention, telegraph improved American life indirectly. Railroads became more interconnected as they used telegraph between far-flung stations. Goods could be transported through long distances and thereby leading to cheaper rates. People could connect to their loved ones regionally from different places.
Inter-connectivity improved as people were acquainted with news across the country and many more. So even though the Americans didn’t use telegraphs by themselves, it impacted their average lives immensely by the aforementioned ways.