: The national government must guarantee each state a form of government and protection from invasion and domestic violence. The president has the authority to send to a state where there is civil unrest or to aid disaster victims.

The development of simple stone tools by early hominids led to the ability to procure meat more efficiently. this in turn led to the change in diet that included larger amounts of protein. many scholars believe that this shift in diet was a significant part of how our ancient ancestors adapted so quickly to a varied set of environments, and thus were able to begin cultural development. this demonstrates the intimate connection between

The government of country a has determined there is a coal shortage based on mining reports. as a result of these data, the government decreases coal exports to other nations. access to information country a

How does the principle of federalism affect the u. s. government? a. it guarantees that the united states will always be a representative democracy b. it ensures that the state governments have greater authority that the federal government c. it creates both separate and overlapping powers for the federal and state governments d. it divides the federal and state governments into three branches