The framers of the Constitution worried that powerful leaders and institutions must be held accountable by other powerful leaders and institutions, which led them to adopt:

checks and balances

Explanation: it’s “ a system that allows each branch of a government to amend or veto acts of another branch so as to prevent any one branch from exerting too much power”

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.

cultural history is your answer