The correct answer to this open question is the following.
You forgot to include the options of the question. However, we can say the following.
A result of shorter workdays and fewer hours of work was leisure activities.
Shorter workdays meant fewer hours in the office or the workplace. This allowed people to have more time to spend it with family or friends. Some others invested their time in other activities like fitness, gym workout, or artistic activities such as music, painting, or dancing. Theses factors reactivated the entertainment industry such as movies, plays, musicals, amusement parks, circus, and more.
The Little Rock Nine was a group of nine African American students enrolled in Little Rock Central High School in 1957. Their enrollment was followed by the Little Rock Crisis, in which the students were initially prevented from entering the racially segregated school by Orval Faubus, the Governor of Arkansas. They then attended after the intervention of President Dwight D. Eisenhower.
<span>First Battle of Bull Run I believe and its not Grant its McClellan</span>
D is not a possible answer and explosives isn’t really a business so it’s between railroads and drilling Tech