Alcohol abuse in the 19th century: a did not involve women. b was not recognized as a social problem. c had little impact on the efficiency of labor. d held little threat for the family because everyone drank. e stemmed from the hard and monotonous life of many.

E. Stemmed from the hard and monotonous life of many.

Explanation:

Alcohol abuse was very common in the 19th and 20th centuries. People would turn to alcohol to make them feel better, without knowing the long term effects.

Many people during this time were dealing with war. The Mexican-American War, Spanish-American War, and the Civil War were just a couple of big wars that were fought in the 19th century. Soldiers would become forever wounded, both mentally and physically, turning to alcohol as an escape.

Not only soldiers would abuse alcohol though. Women would also abuse alcohol, as the stress of having to fend for the family alone was a very daunting task.

In the 20th century, alcohol abuse became such a problem that prohibition began in the United States, banning alcohol. Of course, this did not last forever as it was seen as unconstitutional.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering

you can talk about what you learned about them. and you can talk about what happened on you're journeys with them. and then you can put all of the thing you learned about them in you're diary.