What physical features are characteristics of the coastal plains of texas?

Which region was almost every country colonized by an imperial power in the 19th century

Why was it difficult fpr unions to succeed in the 1800s

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