Answer:
The last two years of the war from July of 1951 until July of 1952 mostly involved trying to:
b. enter into a truce.
Step-by-step explanation:
This question refers to the Korean War, which began on June 25, 1950, when North Korea invaded South Korea. Several countries ended up involved in it, including the United States and China. In total, the war lasted three years.
During the last two years, the effort from the countries involved was to achieve a truce. At no point the unification of the countries was a possibility. If it happened, it would represent a loss to either the capitalist or the communist side of the world, so to speak. As a matter of fact, truce was indeed achieved, and the border between the two countries remained practically the same it was before the war began. At the border, there is a demilitarized zone.