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.
developmental psychologist. Your child's ability to recognize different colors heats up at around 18 months, the same time he begins to notice similarities and differences in shape, size, and texture. But it will be a while longer before he's able to name the colors; most children can name at least one color by age 3. In the meantime, though, he'll love to practice, adding new colors to his mental palette.