The supreme court serves what important function in the u. s. federal government?
a. it appoints all other federal judges to ensure consistent rulings at all levels.
b. it ensures that all americans receive a fair trial by accepting all cases submitted to it.
c. it promotes the principle of limited government by consistently practicing judicial restraint.
d. it determines whether any actions by the executive and legislative branches are unconstitutional.

The supreme court serves US federal government as :

d . It determines whether any actions by the executive and legislative branches are unconstitutional.

Reason for other option :

a. Because appointing all federal judges would lead to a very "one-sided" jurisdiction and promotes bias.

b. It cannot be  either because the supreme court on average only accepts 80 cases a year though it receives thousands of requests .

c.  It is also incorrect because the supreme court does not practice "judicial restraint" it is actually known as "judicial review .

Therefor judicial restraint only represents a minuscule version of judicial review .

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b) trade is easy because of the direct line between their major ports. bilateral trade reached 89,6 thousand million.

i have to go with a for this one