How effective is the threat to withdraw jurisdiction from the federal courts

How did the end of the mexican american war result in growing sectionalism in the united states?

Globalization and technology developments have led to what some individuals have described as "flat world." what is the significance of the flat world concept? what is the impact of the flat world on supply chain requirements and strategies?

Cattle are herbivores by nature and feeding herbivores a diet for carnivores may have triggered a protein reaction known as a prion causing mad cow disease