A - The Confederates relentlessy attacked the fort.
On April 12, 1861 the Confederates bombarded Fort Sumter for 34 hours before Union forces agreed to evacuate. There were no fatalities on either side.
The correct answer is option D. "Companies replaced hand-operated brakes with air brakes on trains". The development of air brakes on trains was a significant improvement of railroad safety. Air brakes function much more faster than hand-operated brakes, because hand-operated brakes required that the brakemen turned the brakes in one car and jump to the next to set the brakes on, and so on.
Answer:
Yes, I believe it is important for average Americans to have an accurate understanding of American history in order to understand our hectic present today.
Explanation:
The importance of this study is that the future of our nation is at stake. Knowledge of a nation's history by its citizens is essential to preserving all democratic societies. Americans need to understand the past in order to make sense of a chaotic present and an inchoate future.
