I look it up the answer is A.
Answer: b the union winning the Civil War
Explanation: I took the test
B. jewish people were to blame for germanys problem's
A race is a grouping of humans based on shared physical or social qualities.
The Light Bulb, existed back then, but was very expensive to run, and needed a lot of power. This meant that regular consumers, could not use it. With the invention of the incandescent bulb, anyone in any household could flick a switch. This jumpstarted new inventions, which make the world what it is today.
