Which new method used to manufacture steel in the late 1800s had a huge impact on the US because this method allowed for steel to be made much quicker in a lower cost

Bessemer

Explanation:

The Bessemer process was so fast (10–20 minutes for a heat) that it allowed little time for chemical analysis or adjustment of the alloying elements in the steel. Bessemer converters did not remove phosphorus efficiently from the molten steel; as low-phosphorus ores became more expensive, conversion costs increased.

one of the negative side effects were the economic losses the events of september 11th caused. many, many people lost their jobs as a result of a downturn in the economy after the terrorist attacks.

the u.s. department of labor is a cabinet-level federal agency that supports the american labor force. it has three overall functions. first, it protects the rights of workers and retirees. second, it provides job training. third, it provides statistics related to working, prices, and income.