May I see the answers you can choose from? This is likely to be a multiple choice question, and I can't help without knowing the full question.
Answer:
the olmecas settled down in 400 b.c.
A type of law that state government must follow is federal law.
Los patricios eran una orden social del Antiguo Roma compuesto por los descendientes de las treinta curias primitivas. La distinción fue muy significativa en el Reino Romano.
A historian using the historical thinking skill of chronological thinking might put evens that took place in history in "chronological order" in the hopes of understanding why certain events took place after others. This helps the historian determine "cause and effect".