How did the plessy v. ferguson decision support the existence of jim crow laws

Which factor has played the most important role in changing the way history is studied over time?

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

Who was william jennings bryan? what platform did he run on?