The event that led to defeat at Waterloo was:
B.a Russian army strikes the final blow at the battle of Waterloo
Explanation:
The Russian army's final strike at Waterloo against the immortal guards of Napoleon which were supposed to be the old guard that never fell and then they were routed from the war leaving Napoleon himself defenseless.
This route was the final blow at the end of Waterloo's battle dealt by the Russians against Napoleon's forces and it resulted in an utter defeat on his side which Napoleon has rarely seen in his life's entire campaigns.
On one occasion, while he was eating with them, he gave them this command: "Do not leave Jerusalem, but wait for the gift my Father promised, which you have heard me speak about
The development of social welfare policy in the united states began during the Great Depression
Following the great Depression, there was need for the government to intervene in alleviating the problems wrought by a depressed economy. This included providing federal aid for poor families