What purpose did the introduction to the declaration of independence serve

Why did european nations face financial challenges after world war 1?

Read the excerpt from the history of herodotus, book 2. egypt . . is an acquired country, the gift of the river. this quotation from herodotus, a greek who traveled in egypt, is about how the nile river enabled ancient egyptian civilization to develop and succeed. what specifically was the river’s gift? fertile soil fishing stocks defensive capabilities drinking water

What is significant about official languages in russian republics? why would it matter?