Technological advances increased profit and productivity
I really think the answer is (C) Our solar system follows an orbit through the Milky Way Galaxy that takes hundreds of millions of years to complete because our sun and solar system move at about 500,000 miles an hour (800,000 km/hr) in this huge orbit. So in 90 seconds, for example, we all move some 12,500 miles (20,000 km) in orbit around the galaxy's center
The American people had a voice and the amendments allowed people to vote. Like the 13, 14, and 15 amendment allowed all people to vote. Their voice could get heard
I believe it was Florence Nightingale......................