Caregivers of babies tend to be unavailable or rejecting, unresponsive, and easily irritated.

I believe the answer is: avoidant

Avoidant babies refers to the type of babies that show little to no emotion to the caregivers in return, as if they are purposefully ignoring the caregiver. This tend to makes the caregivers feel unappreciated, which make them unresponsive and easily irritated.

the technology changed agriculture in an impacting manner since many people left the field work by a cellular or other technological appliances

this is a pretty broad question and can be a pretty lengthy answer. since 1900, women have gained a lot more rights and have become active in the workforce. with women being in the workforce, men play a larger role in family life. many family tasks are shared between men and women, whereas, women used to be the sole family caretakers.

that should get you started at least.