The answer is B because it is the answer
They felt sorta acomplished for doing a part in winning the Civil War. The country was united, and everybody was happy.
If I can remember correctly... I believe it is Aztec.
The invention of the steam engine in the late 1700s and its widespread use beginning in the early 1800s triggered the industrial revolution. Steam engine is an engine that uses steam as its working fluid to perform mechanical work. James Watt, a Scottish engineer patented the steam engine in 1781.
Lincoln believed that American democracy meant equal rights and equality of opportunity. But he drew a line between basic natural rights such as freedom from slavery and political and civil rights like voting. He believed it was up to the states to decide who should exercise these rights.
