Dr. henderson is curious to know more about how children develop over time. to gain an understanding of this subject not based on opinion or personal bias, dr. henderson should talk with many children's parents have the children undergo psychoanalysis read dr. spock's book, baby and child care use the scientific method to collect data and establish facts

gold discovery in california, and pioneer settlers were sometimes pulled west because they wanted to make a better living. others received letters from friends or family members who had moved west. these letters often told about a good life on the frontier. the biggest factor that pulled pioneers west was the opportunity to buy land.

welcome mark brainliest i am trying to get to the next level.

carefully examine the map above. based on your knowledge of colonialism in africa, the area attributed to belgium on this map is most likely the democratic republic of the congo.