Who was muhammad and what did he do?

Why is it useful for historians to base certain studies on the analysis of historical themes

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

The current laws today protect the rights of people with disabilities.    a.  trueb.  false