Which of the following describes nullification? a strong loyalty to a state or region, sometimes at the expense of a nation
the idea that states have powers separate from the federal government
the idea that a state could refuse to follow a federal law it disagreed with
a system that divides power between national and state governments

The idea that a state could refuse to follow a federal law it disagreed with

Explanation:

Nullification is the theory that states could refuse to follow federal laws that they disagreed with.

One example of this is the Nullification Crisis between South Carolina and the US government, over the Tariff of 1828, also called the Tariff of Abominations.

The state, under leadership of John C Calhoun, tried to nullify the tariff because it would hurt the Southern economy.

your mothers brothers brother in law would be your father.

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.