Why were there no cables for electricity in the early elevators

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.

•political and economic system greatly influenced by the ideas karl marx • factors of production owned by the government • production and distribution of goods controlled by central planners what form of government is described above

What issue lead from texas seceding from the union