List all the warning signs that suggested the u. s. economy was not as prosperous as it appeared.

How did german physicist werner heisenberg's uncertainty principle shake beliefs in newtonian physics?

Which option best completes the diagram? the cold war is the major u.s. foreign policy priority terrorism becomes a major concern of u.s. foreign policy. a. the second iraq war begins. b. the september 11 terrorist attacks occur. c. terrorists attack the 1972 summer olympics. o d. the soviet union collapses.

How did the construction of the erie canal improve transportation in the united states in the 1820s? a. the canal connected the great lakes to the mississippi river. b. the canal connected the great lakes to the ohio river. c. the canal connected the atlantic and pacific oceans. d. the canal connected the great lakes to the atlantic ocean.