Who was the venetian man who kublai khan sent on many travels-missions which were later recounted in writing, though some now doubt whether these missions actually happened?

Space is not completely empty. there are small particles in space. what happens when these particles come together?

Germany italy and japan formed the tripartite pact in part because they: a. hoped to convince the united states to stay out of world war ii b. share the ruling philosophies based on communist economics c. resented the agreements they were forced to sign at the munich conference d. believed their territories were threatened by aggressive foreign states

Which of these played the biggest role in increased urbanization in the late 1800s? a) transportation improved b) the military was stronger c) no one was farming anymore d) steam power was discovered