He invented the first incandescent light bulb in 1879
A) Aurangzeb is ya answer
Answer
Basically the pawnbrokers offered secured loans to individuals against personal property.
Explanation
Pawnbrokers are people being an individual or a business or an organisation who offers money as loans to people which is secured with an item or personal property is used as a collateral. whenever you pawn a property or an item it means that you are you are using it as a collatel. And the pawnbroker will agree to give you cash and hold your item until the time you will pay back as per the agreement.
It was the abolition of serfdom and the establishment of a constitutional monarchy. Those involve in the revolt were also against the crowning of Nicholas I and this later led to a confrontation between the rebels and loyal troops. The revolt was suppressed and many were arrested. Though it failed it helped start the movements for revolution in Russia.