Which of the following weapons continue the stalement on battlefields during world war 1? tank submarine the fighter plane the machine gun

Which of the following was a goal of european conservation in the early 1800

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

Ok serious americans were british ay don’t we have a british accent?