Why were efficient bureaucracies needed for the nation-state to develop?
a.
they turned over tax-collecting duties to the church.
b.
they provided different justice systems for different regions.
c.
they allowed for laws to remain constant in spite of leadership.
d.
they centered power in the monarch instead of in regional governments.

C.They allowed for laws to remain constant in spite of leadership.

Explanation:

Bureaucracies made the nation states to develop the same all through the territory of the nation, laws were allowed to reach the furthest places of the empires in order to have a unity or a certain similitude where justice and laws would be the same all over the state, efficient bureaucracy helped develop nation states and allowed laws to remain constant no matter who was in charge.