I'm a letter to Horace Greeley what did president Lincoln give as his reason for waging the civil war

He gave as a reason to start the war the assertion that it was necessary to save the union.

Explanation:

In Abrahm Lincoln's letter sent to Horace Greeley he states that his attitude in allowing civil war to be fought, is not to save blacks from slavery, or to raise the morale of northerners, but because that is the only way to save the union. As proof of this, we can consider the lines: "What I do about slavery, and the colored race, I do because I believe it helps to save the Union; and what I forbear, I forbear because I do not believe it would help to save the Union. "

the industrial revolution pushed the world into modern industrialization. it changed the course of history profoundly. it caused rapid urbanization and pushed cities and countries into development. the industrial revolution began in great britain with a series with new inventions which led to the creation of machines and mass production.

this caused the country to gain wealth and money and become an international superpower. it improved transportation and manufacturing inside the country, pushed people to live in urban areas and britain to become the most powerful nation in the world for a while.