What effect did the use of barbed wire to fence off land on the open range have on cattle ranching?

It harmed cattle, reducing the number that made it to market.
It blocked cattle trails, making it difficult to get cattle to market.
It prevented cattle from finding food, reducing the number of cattle that survived each
year.
It required too much effort to maintain, so ranchers abandoned their ranches.

where is the subject? hahahaha

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.

may i have the answer choices?

when   i did the assesment i chose c it was correct