What was the last period that had dinosaurs

What was the midwest states often called because they were located in the center of the nation

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

True or false: the eastern roman empire lasted for 1,000 years longer than the western roman empire.