What did coolidge and hoover hope to do? why?

Explain the difference between a physical change and chemical change

Which describes the persian empire? choose all that are (a) the persian army defeated the athenians at the battle of marathon. (b) the persians avoided using ideas from the peoples they conquered. (c) cyrus allowed conquered peoples to keep their cultures. (d) darius i built a network of good roads for communication. choose all that are

Tension between the british. and boers was caused primarily by what things?