Why did rice become a chinese staple food during the tang dynasty?

How does the concept of competition relate to the arms race between the us and the soviet union during the cold war?

Why would the rumor of a government contract change the value of this companys stock

Which of the following problems did shays rebellion show about the articles of confederation? a. there was no federal standing army b. states couldn’t create their own tax laws c. the federal government imposed too many taxes on states d. there was too much federal regulation of interstate commerce