In general, the widespread use and availability of electrical power and family-owned cars increased the work force by offering more incentives to work. More jobs were also available during this time.
So you don't feel exhausted during the day.
Answer:
World War 1 resulted in a somewhat extended period of time in which an economic boom occurred. After the war, the U.S. became a lender to other territories, including Latin America. Exports to Europe from the U.S. increased as countries prepared for war. The U.S. spending increased as it prepared to enter the war itself.
The answer is B. commonly as Jim Crow laws
The Normans were anti-slavery. Rather than enslaving prisoners, they worked out they could make a tidy profit from ransoming them. The Normans built all the Romanesque cathedrals in England.