What is a modern event that caused conflict with trading on a global scale?

Explain one example of how the u.s has struggles to balance energy independence and environmental

At the beginning of the war, why was hitler allowed to continue his aggression without resistance from other european countries

How does the supremacy clause of the u.s. constitution affect the states? o a. it requires each state to establish a supreme court. b. it declares that the federal government can take away state powers if necessary. o c. it allows state governments to overthrow the federal government if necessary. o d. it ensures that the u.s. constitution overrules each state constitution