20 points and brainliest is it A, B, C, D In order to not have your research or writing questioned, what must you always do?

A. Use big words.
B. Write clearly and succinctly.
C. Write the truth.
D. Cite your information if it isn’t common knowledge.

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