It "is no gimmick, and nobody will ever be elected to major office again without presenting themselves well on it."—nixon campaign consultant roger ailes, 1968

the quote is in reference to the

The quote is in reference to the television.  

Explanation:

The first presidential debate to be televised ushered in a new era in the US election campaign. Those who watched the debate on television thought Kennedy won, those who listened on the radio gave Nixon the victory. Kennedy would eventually win the elections. However, Nixon gave a speech in which he confirmed the importance of television in political campaigns from that day forward. In his speech, Nixon referred to television when he said "is no gimmick, and no one will ever be elected to major office again without presenting themselves well on it."

the process is called revolution because it was a process of great economic-social transformations that began in england in the xviii century.

the industrial mode of production spread throughout much of the northern hemisphere throughout the xix and early xx centuries.

the effect of this revolution was the distance between the countries, with respect to economic and political power.   after all, not all industrialized at the same time, remaining in the condition of suppliers of raw materials and agricultural products to the industrialized countries.

these differences mark to this day the nations of the world that are divided between developed and developing countries. one way to measure whether a country is advanced is to assess how industrialized it is.