in the early 1900s, gasoline-powered tractors became part of the modern farm. in that same era, the modern combine harvester became common, allowing crops to be harvested mechanically and quickly. today, both of these are a part of nearly all farming endeavors.
what can you conclude about agriculture after the end of the 1800s?
a) technology has become unreliable.
b) it became more dependent on technology.
c) farmers are more likely to make a profit today.
d) it has employed more people every year since 1900.