What two political parties have been in power the longest in the history of the united states?

Which of the following statements about this graph is accurate? world grain production has increased in every year since 1950. the amount of grain grown between 1950 and 1980 decreased. world grain production has generally increased between 1950 and 2010. more grain was grown in 1950 than in any other year.

Which of the following groups of sentences most accurately describes the cuban missile crisis?

What kind of relationship did the soviet union have with the united states in 1945