China was once again united under which dynasty? a. han b. sui c. tang d. song

Describe the technology advancements that lead to explorers being able to sail great distances. [[ps: doesn't explain where. i am only speculating it's in europe.

Brainliesttt asap!me : ) which of the following is not an example of cultural diffusion? a latin dance craze in canada a french pastry from a bakery in paris an indian restaurant in england a baseball game in japan

Jefferson davis was the president of the united states of america during the civil war. true or false?