Lenin was sent back to Russia from exile by the Germans in WW1 to destabilize russia which worked. His slogan was land, peace and bread. He formed a party called the bolsheviks, who later executed the royal family. Lenin kept the populace believing that he was helping them by improving the economy.
The correct answer to this open question is the following.
The power of Congress that Senator Paul probably most concerned about based on this passage is the Power to Declare War.
The United States Constitution states on Article I, section clause 1, that the United States Congress has the power to declare war. The Constitution grants Congress with expressed powers and this is one of them. That is why Senator Rand Paul is reflecting on the great responsibility Congress has regarding thus power of declaring war against another nation.
D because cowboys ride horses not herds them and second they work on a ranch and I know that because I live on a ranch and herd cows