When the united states entered world war 2 in europe, where were american forces first sent on a major offensive?

Match each model with its name and the name of the scientist who created it.

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

Can someone me write a paragraph on this topic i feel confused