A(n) states that all laws made by federal, state, or local governments must not violate the us constitution.
a.
initiative
b.
referendum
c.
federalist system
d.
supremacy clause

A supremacy clause states that all laws made by federal, state, or local governments must not violate the US constitution. 

The correct answer is D

Social and economicthe concept of international social responsibility is the expectation that mncs concern themselves about social and economic effects of their decisions regarding activities in other countries.

Texas’ gulf coastal plains are the western extension of the coastal plain extending from the atlantic ocean to beyond the rio grande. its characteristic rolling to hilly surface covered with a heavy growth of pine and hardwoods extends into east texas. in the increasingly arid west, however, its forests become secondary in nature, consisting largely of post oaks and, farther west, prairies and brushlands.