Alcohol is a key factor in more than half of all manslaughters, assaults, and murders.
a. true
b. false

The correct answer is option A. true.

Explanation:

Alcohol is one of the major factors in more than half of the assaults, manslaughters, and murders. The influence of excessive consumption of alcohol can result in anger, losing the ability of right or wrong that leads to the crime.

To be precise it influences up to 68 percent of manslaughter, 54 percent of murders and attempted murders and 62 percent of assaults.

Thus, the correct answer is option A. true.