How has the development of the commercial airline industry affected life in the United States?

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Commercial aviation has a direct impact on our nation's economy, creating more than 10 million well-paying American jobs and driving 5 percent of the U.S. gross domestic product and nearly $1.7 trillion in annual economic activity.

D.The international attention forced Britain to grant Indians some rights.

Explanation:

The march of the salt, also known as the Dandi March and Salt Satyagraha, was a demonstration led by Mahatma Gandhi and carried out between March 12 and April 6, 1930. This march became one of the most important events that led to the independence of India from the British Empire.