Which of these statements is best supported by the information shown in the graph?

the fall of communism affected all countries equally.
all eastern european countries successfully transitioned to market economies.
no eastern european country has recovered from the fall of communism.
some countries have closed the economic gap between eastern and western europe.

For those that need it , the answer is

the outcome of 1970 oil crisis in united states was that, they began to search ways on how to reduce oil.

in 1970 was a period when there were energy and oil crisis. those who were major centers for industrialization were forced to keep way from supplying of petroleum.

some of the result of this crisis was economic growth became stagnant because prices of oil surged.

due to the increased prices some countries like mexico and norway benefited.