Which statement best summarizes what us manufacturing had accomplished by 1900?
a. us manufacturing had surpassed industrialized britain, and the united states had become the world’s largest producer.
b. us manufacturing had surpassed industrialized china, and the united states had become the world’s largest producer.
c. us manufacturing had surpassed industrialized russia, and the united states had become the world’s largest producer.
b. us manufacturing had surpassed industrialized latin american countries, and the united states had become the world’s largest producer.

A.US manufacturing had surpassed industrialized Britain, and the United States had become the world’s largest producer.

Explanation:

The other answers are simply impossible or make little sense. China, Russia, and Latin America were agricultural societies.

Brittain was the leading industrial nation during most of the 1800s. But the Second Industrial revolution brought changes that benefited the United States.  

The railroad connected the vast territory and allowed for rapid development, coal and oil helped the industry. A huge internal market gave companies unparalleled opportunities for business.

Finally, steel and oil boomed and made the US the leading industrial country by the turn of the century.