Why was preserving the "heritage" of the lift system important to the modernization process?

Pls hurry

When were the first 10 amendments to the constitution adopted and what was their purpose? when were the first 10 amendments to the constitution adopted and what was their purpose?

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

What is the rule relating the ratio of marginal utility to prices of two goods at the optimal choice? explain why, if this rule does not hold, the choice cannot be utility-maximizing.