The amount the nation's government owes is called the
a. national loan.
c. national plan.
b. national debt.
d. national credit.

"if i have seen farther than others," said newton, "it is because i have stood on the shoulders of giants." who were the giants to whom newton was referring? could this be said of any scientific accomplishment? explain.

What was a major failing of the united states under the articles of confederation?

Which piece of information would most a historian create an interpretation of this photograph of works in a factory?