Inaccurate information designed to confuse is known as
duplicity
propaganda
destabilization
disinformation

Propaganda is the spreading of false or misleading rumors with the aim of influencing the thoughts and attitudes of people to achieve a cause or agenda to create an agreement to a certain belief.  It is biased and used to sway people to promote an agenda.  It only presents some of the facts and makes use of sublime messages that would generate an emotional response to what they have told the people.  Originally, the term propaganda was neutral or used for positive messages such as promoting programs like healthcare, reporting crime and encouraging citizens to vote.

The changes to agriculture in the united states since 1900 is that increased mechanization has increased food production, thereby increasing the need for labor. there has been an increased need for higher speeds of food production due the fact that the population in the united states continues to rise.