Can someone pleas help! Thank you! :)

it should be a. song dynasty’s civil service examination system created an administrative bureaucracy manned by the landed aristocracy.

i think the answer is : the declaration of rights and grievances

hope i

-lavira : )

the steam engine.

the locomotive.

the telephone.

the telegraph.

the internal combustion engine.

the rifle.

ironclad ships.

electricity/light bulb.