You can look at the body language that the cat is giving you.
Answer:
You let go of the weapon when they grab it and you are sure they have a good grip and aren't trying to do anything sneaky.
It seems that you have missed the given options for this question which are the following: a) the increase in religious-based sex-abstinence programs
b) the availability and use of effective contraceptives
c) the decrease in the number of people getting married
<span> d) an increase in same-sex couplings
Based on this, the reason that is most likely why the dramatic decrease in the number of children in the average American family is the </span>the availability and use of effective contraceptives.