More than two years passed from the time the Combined Chiefs of Staff first met to the execution of Operation Overlord. Write at least five sentences that explain what the Combined Chiefs of Staff needed to plan to make Operation Overlord a success. Be sure to include specific examples and explain why those measures were necessary.

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