Why was the invention of barbed wire in 1874 so important to farmers?

Ait enclosed large areas without the need for expensive fencing materials.
Bit greatly speed up the time it took to till an acre of soil.
Cit made trapping wild game much less labor intensive.
Dit made it easier to raise a barn.

Verified Answer :

a. it enclosed large areas without the need for expensive fencing materials. 

A : it enclosed large areas without the need for expensive fencing materials. It also made sure that cattle for Indians and cowboys didn't ruin crops when trying to take a short cut to bring the cattle somewhere else in the country. Hope I helped! :)