there were two technological innovations that profoundly changed daily life in the 19th century: steam power and electricity. The railroad helped expand the U.S.. The telegraph, the telephone, and the typewriter brought people together that were far away.
Well this is a very opinionated question but personally:
Astronauts improve society by using the newest and most expensive technology to be able to explore space as we know it.
Answer:
For More about William Barret Travis
Often referred to as Travis's “Victory or Death!” letter, it symbolizes the spirit of defiance and perseverance demonstrated by the defenders of the Alamo. Travis boasts that he has held the fort against Santa Anna's forces for twenty-four hours without losing a man.
Steam locomotive,because they were built during the Industrial Revolution.Which happen during late 1800's
