How did darius of persia maintain control over his empire?

What does the document of the birtish octopus is an uderlying cause of the world war 1

Hich explains why the constitution gave congress the power to create a system of federal courts? the constitution wanted congress to share power with the judicial branch. the constitution anticipated the need for courts lower than the supreme court. the constitution wanted congress to share power with the appellate courts. the constitution anticipated the need for courts equal to the supreme court.

Why do you think jefferson thought lewis was qualified to explore the louisiana purchase? ?