By 1900, andrew carnegie controlled about 25% of the nation’s output.

By 1900, Andrew Carnegie controlled about 25% of the nation’s steel output.

Explanation:

Andrew Carnegie was an American industrialist, businessman and philanthropist from Scotland. As a child, he emigrated from Scotland with his parents. He worked from a very young age on the Pennsylvania Railroad Company. At age 20 he became manager of the same railroad company and the apprentice of Thomas A. Scott, owner of the company.

He created the Carnegie Steel Company in Pittsburgh, which later merged with the Federal Steel Company of Elbert H. Gary and with several smaller companies to create U.S. Steel. The fortune he earned from his businesses was spent on philanthropy and education, founding the Carnegie Corporation of New York, the Carnegie Endowment for International Peace, and Carnegie Mellon University in Pittsburgh.

australian plates collided into eurasian plates, and the himalayas formed. the andes mountain range the himalayas and the islands of japan form differently. the andes mountain range formed at the convergent boundary of an oceanic plate and continental plate.

the emancipation proclamation was the aim of the war change to include the freeing of slaves in addition to preserving the union. the 13th amendment, which abolished slavery in the u.s. was passed on december 6th 1865.

as promised, lincoln waited to unveil the proclamation until he could do so with success from the union military advance. on september 22nd 1862, after a victory at antietam, he publicly announced a preliminary emancipation proclamation, declaring all slaves free in the rebellious states as of january 1st 1863.