May is a 4 yr old girl who is participating in a research study. She watches the researcher pour liquid from a short, fat container into a tall, thin container. Even though the liquid in the two containers was identical, May thinks there is more liquid in the tall, thin container. According to Piaget, May is in which stage of cognitive development?

The united states economy is one in which producers are generally free to produce what they want and consumers are free to purchase what they desire, so long as no laws are broken. at the same time, however, the government does regulate some aspects of the economy. the u.s. can best be described as which of the following a mixed economy b liberated economy c command economy d market economy

Identify the constitutional principle that is common in both this excerpt and federalist no. 51. based on the constitutional principle identified in part (a), explain how the perspective in this excerpt compares with the perspective in federalist no. 51. explain how the constitutional principle identified in part (a) is reflected in the constitution, including two examples to explain how it affects the u.s. political system

Which of the following items would serve as a primary source for a historian studiying the american civil war