Which of the following best describes frederick jackson turners frontier thesis?

a. the frontier is a scared land that should be developed in a sustainable way.

b. the frontier is an endless, open land that is ready to be developed for profit.

c. the frontier caused americans to settle too far apart to develop a sense of unity as a nation.

d. the frontier developed american democracy by blending wilderness and european tradition.

the answer wold be b) travel among nations should be regulated by an international organization

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.