The most important result of the Second Industrial Revolution was depleting natural resources. creating business empires. turning the United States into a world economic power. creating problems for labor, such as long hours.

what are local authorities doing to fix the problem

explanation:

what are local authorities doing to fix the problem

the constitution of the united states gave congress the absolute authority over immigration laws

following type of cultural development caused people to want and buy new products on the market :

in 1803 the louisiana purchase took place, doubling the size of the country. by 1840 almost 7 million americans had migrated westward in hopes of securing land and being prosperous. the belief that settlers were destined to expand to the west is often referred to as manifest destiny.

explanation: