Met with le duc tho, a north vietnamese negotiator, in an effort to end the vietnam war peacefully.

The answer was Henry Kissinger.  At point, the war was already dragging and public opinion now turned against the war. So Kissinger arranged for negotiations to withdraw from Vietnam.  With the withdrawal of U.S. troops, the North conquered the South and Vietnam was united under communist rule.

it is the code of hammurabi

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.