Which are ways American farming changed in the late 1800s? Choose all answers that are correct.

a move to large, single-crop farms

independence from banks and railroads

increased world competition

no more fear of drought or crop diseases

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.

the answer is c.

i hope this .