With roots in the Babylonian Captivity and later migration under Hellenism, the majority of the diaspora can be attributed to the Roman conquest, expulsion, and enslavement of the Jewish population of Judea, whose descendants became the Ashkenazim, Sephardim
Answer:
Pumping legs means to move up and down or back and forth in a vigorous manner or with full of energy. We can see babies are full of energy, so when they crawl on the floor, that movement is called pumping his/her legs.
Answer:
In chapter 7, an eagle drops off Bilbo and Gandalf reestablishes his friendship with the Lord of the Eagles and the birds depart.
For who joins them im not <u>entirely</u> sure but in chapter 17 one of the messengers throws off his cloak and reveals himself as Gandalf. It could be that or the Lord of the Eagles.
sorry for the foggy answer, best of luck mate
I believe that it is idiom because that is a commonly used expression