Rise of Fascism. As the United States turned inwards to deal with the lingering effects of the Depression, militaristic regimes came to power in Germany, Italy, and Japan promising economic relief and national expansion.
Human faces are one of an infant's favorite and fascinating things to observe, especially when it's mom or dad or his own image staring back at him in a mirror. By 3-months-old, most babies know the difference between familiar faces and strange ones.
It depends on how old your little grinner is. An infant can't produce what's called a social smile until about 8 weeks. It takes that long for his nervous system and vision to develop enough to see you and produce a smile in response. Smiling is a baby's first social skillâhe's picking up on how relationships workâas well as a signal of emotional growth.