Hi, does this history question look correct?

Which of the following terms could be applied to the non-aligned nations during the cold war

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 factors would be a likely reason for low population density